Enstatite
	Carlson W D, Swinnea J S, Miser D E
	American Mineralogist 73 (1988) 1255-1263
	Stability of orthoenstatite at high temperature and low pressure
	_database_code_amcsd 0001201
	18.280 8.834 5.197 90 90 90 Pbca
	atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	Mg1 .3756 .6539 .8684 .0068 .0071 .0064 .0003 -.0011 .0002
	Mg2 .3769 .4846 .3627 .948 .0093 .0132 .0074 -.0021 -.0019 -.0017
	Ca2 .3769 .4846 .3627 .052 .0093 .0132 .0074 -.0021 -.0019 -.0017
	SiA .2715 .3416 .0495 .0049 .0053 .0061 -.0006 .0005 -.0004
	SiB .4741 .3379 .7967 .0052 .0060 .0059 .0006 .0002 .0002
	O1A .1834 .3399 .0371 .0049 .0082 .0062 -.0001 .0001 -.0005
	O2A .3107 .5019 .0435 .0085 .0075 .0073 -.0016 -.0010 .0011
	O3A .3027 .2249 -.1714 .0075 .0103 .0089 -.0005 .0016 -.0044
	O1B .5627 .3403 .7981 .0052 .0089 .0073 -.0001 -.0012 .0001
	O2B .4335 .4844 .6933 .0103 .0098 .0099 .0033 .0015 .0030
	O3B .4478 .1986 .5988 .0082 .0114 .0090 -.0003 -.0004 -.0028
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 0 GPa
	_database_code_amcsd 0001644
	18.233 8.8191 5.1802 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3763 .6541 .8663 .67
	Mg2 .3769 .4872 .3589 .82
	SiA .2715 .3418 .0506 .58
	SiB .4736 .3374 .7981 .59
	O1a .1835 .3407 .034 .64
	O2a .3114 .5029 .043 .61
	O3a .3025 .2224 .832 .43
	O1b .5622 .3414 .798 .95
	O2b .4324 .4836 .690 .57
	O3b .4483 .1951 .603 .57
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 1.04 GPa
	_database_code_amcsd 0001645
	18.186 8.782 5.1610 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3768 .6545 .8627 .51
	Mg2 .3770 .4860 .3556 .64
	SiA .2716 .3421 .0482 .49
	SiB .4737 .3365 .7997 .41
	O1a .1823 .338 .032 .87
	O2a .3111 .504 .043 .59
	O3a .3030 .223 .829 .18
	O1b .5627 .340 .800 .63
	O2b .4315 .483 .686 .37
	O3b .4472 .194 .607 .52
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 1.95 GPa
	_database_code_amcsd 0001646
	18.148 8.756 5.1493 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3760 .6556 .862 .24
	Mg2 .3768 .4843 .355 .54
	SiA .2707 .3436 .046 .22
	SiB .4732 .3359 .8013 .21
	O1a .1826 .342 .031 .23
	O2a .3094 .507 .040 .16
	O3a .3038 .223 .825 .12
	O1b .5622 .340 .804 .38
	O2b .4327 .483 .691 .22
	O3b .4482 .193 .611 .23
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 3.27 GPa
	_database_code_amcsd 0001647
	18.1045 8.7181 5.1327 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3762 .6557 .8598 .39
	Mg2 .3774 .4856 .3532 .63
	SiA .2715 .3429 .0447 .34
	SiB .4729 .3377 .8015 .33
	O1a .1824 .3397 .027 .34
	O2a .3097 .5070 .037 .46
	O3a .3035 .2223 .825 .51
	O1b .5620 .3402 .807 .58
	O2b .4322 .4837 .687 .18
	O3b .4464 .1921 .612 .42
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 4.09 GPa
	_database_code_amcsd 0001648
	18.0710 8.6929 5.1214 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3758 .6557 .8596 .36
	Mg2 .3774 .4844 .3512 .45
	SiA .2708 .3438 .0433 .24
	SiB .4727 .3368 .8021 .24
	O1a .1828 .339 .023 .25
	O2a .3097 .507 .039 .31
	O3a .3034 .224 .825 .21
	O1b .5621 .340 .804 .72
	O2b .4323 .483 .690 .30
	O3b .4472 .192 .612 .05
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 4.95 GPa
	_database_code_amcsd 0001649
	18.0455 8.6708 5.1119 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3760 .6552 .859 .28
	Mg2 .3774 .4848 .350 .51
	SiA .2705 .3432 .041 .32
	SiB .4728 .3383 .8022 .15
	O1a .1827 .339 .024 .33
	O2a .3085 .508 .035 .09
	O3a .3042 .223 .826 .11
	O1b .5611 .340 .805 .34
	O2b .4325 .484 .685 .34
	O3b .4470 .190 .613 .07
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 5.85 GPa
	_database_code_amcsd 0001650
	18.011 8.652 5.102 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3763 .6576 .8569 .51
	Mg2 .3772 .4837 .3489 .40
	SiA .2710 .3436 .0414 .27
	SiB .4727 .3368 .8032 .28
	O1a .1821 .344 .024 .23
	O2a .3098 .508 .032 .61
	O3a .3034 .222 .820 .02
	O1b .5613 .338 .811 .52
	O2b .4324 .485 .686 .20
	O3b .4460 .190 .613 .20
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 7.00 GPa
	_database_code_amcsd 0001651
	17.983 8.6241 5.0902 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3762 .6560 .8567 .33
	Mg2 .3775 .4845 .3472 .47
	SiA .2711 .3431 .0399 .32
	SiB .4725 .3373 .8031 .26
	O1a .1828 .340 .021 .41
	O2a .3088 .509 .033 .48
	O3a .3044 .223 .817 .30
	O1b .5627 .336 .812 .55
	O2b .4330 .485 .686 .16
	O3b .4479 .190 .613 .19
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	Enstatite
	Hugh-Jones D A, Angel R J
	American Mineralogist 79 (1994) 405-410
	A compressional study of MgSiO3 orthoenstatite up to 8.5 GPa
	Sample: P = 8.10 GPa
	_database_code_amcsd 0001652
	17.950 8.604 5.080 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3766 .6589 .8558 .56
	Mg2 .3774 .4834 .3462 .51
	SiA .2704 .3436 .0385 .27
	SiB .4730 .3383 .8042 .28
	O1a .1814 .344 .022 .27
	O2a .3082 .509 .031 .41
	O3a .3036 .222 .820 .62
	O1b .5602 .340 .812 .56
	O2b .4330 .486 .682 .19
	O3b .4451 .191 .615 .10
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	Enstatite
	Yang H, Ghose S
	American Mineralogist 80 (1995) 9-20
	A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich
	orthopyroxene, (Mg0.75Fe0.25)2Si2O6
	T = 296 K
	_database_code_amcsd 0001693
	18.2747 8.8729 5.1988 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3757 .6543 .8702 .907 .0004 .0014 .0041 .0000 -.0001 .0000
	Fe1 .3757 .6543 .8702 .093 .0004 .0014 .0041 .0000 -.0001 .0000
	Mg2 .3776 .4848 .3640 .595 .0005 .0019 .0051 -.0001 -.0004 .0001
	Fe2 .3776 .4848 .3640 .405 .0005 .0019 .0051 -.0001 -.0004 .0001
	SiA .2717 .3408 .0521 .0003 .0014 .0040 .0000 .0000 .0000
	SiB .4737 .3366 .7959 .0003 .0013 .0041 .0000 -.0001 .0000
	O1A .1836 .3383 .0401 .0003 .0018 .0061 -.0001 .0003 -.0001
	O1B .5626 .3387 .7968 .0003 .0018 .0059 .0000 .0000 .0001
	O2A .3112 .5008 .0496 .0005 .0019 .0068 -.0002 -.0003 .0004
	O2B .4334 .4841 .6927 .0005 .0017 .0067 .0002 -.0002 .0000
	O3A .3027 .2267 -.1703 .0005 .0029 .0052 .0000 .0000 -.0011
	O3B .4476 .1984 .5982 .0005 .0019 .0044 -.0001 -.0002 -.0003
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	Enstatite
	Yang H, Ghose S
	American Mineralogist 80 (1995) 9-20
	A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich
	orthopyroxene, (Mg0.75Fe0.25)2Si2O6
	T = 1000 K
	_database_code_amcsd 0001694
	18.3878 8.9577 5.2441 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3751 .6521 .8803 .916 .0012 .0047 .0111 .0000 -.0005 .0000
	Fe1 .3751 .6521 .8803 .084 .0012 .0047 .0111 .0000 -.0005 .0000
	Mg2 .3769 .4854 .3754 .586 .0018 .0066 .0162 -.0004 -.0017 .0006
	Fe2 .3769 .4854 .3754 .414 .0018 .0066 .0162 -.0004 -.0017 .0006
	SiA .2719 .3400 .0592 .0008 .0037 .0097 -.0002 .0000 -.0004
	SiB .4747 .3371 .7887 .0008 .0038 .0096 .0002 -.0003 .0002
	O1A .1844 .3389 .0502 .0008 .0061 .0133 -.0003 .0002 .0004
	O1B .5627 .3403 .7898 .0008 .0061 .0151 -.0003 -.0007 .0007
	O2A .3112 .4985 .0624 .0015 .0050 .0172 -.0007 -.0005 .0004
	O2B .4338 .4845 .6996 .0017 .0047 .0142 .0011 -.0007 .0008
	O3A .3023 .2308 -.1688 .0011 .0080 .0124 .0002 -.0003 -.0039
	O3B .4483 .2058 .5831 .0014 .0068 .0147 -.0004 .0006 -.0037
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	Enstatite
	Yang H, Ghose S
	American Mineralogist 80 (1995) 9-20
	A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich
	orthopyroxene, (Mg0.75Fe0.25)2Si2O6
	T = 1100 K
	_database_code_amcsd 0001695
	18.4105 8.9691 5.2540 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3751 .6518 .8826 .901 .0014 .0054 .0136 .0000 -.0008 .0002
	Fe1 .3751 .6518 .8826 .099 .0014 .0054 .0136 .0000 -.0008 .0002
	Mg2 .3767 .4856 .3784 .601 .0021 .0074 .0182 -.0003 -.0016 .0007
	Fe2 .3767 .4856 .3784 .399 .0021 .0074 .0182 -.0003 -.0016 .0007
	SiA .2720 .3397 .0610 .0009 .0042 .0100 -.0003 .0000 .0000
	SiB .4750 .3376 .7864 .0009 .0043 .0111 .0000 -.0004 .0000
	O1A .1846 .3394 .0530 .0010 .0060 .0164 .0000 .0001 -.0006
	O1B .5627 .3405 .7888 .0009 .0071 .0167 -.0002 -.0006 .0008
	O2A .3111 .4976 .0654 .0019 .0058 .0192 -.0012 -.0006 .0009
	O2B .4342 .4853 .7012 .0017 .0049 .0196 .0011 -.0001 .0015
	O3A .3023 .2320 -.1675 .0015 .0094 .0137 -.0002 .0000 -.0047
	O3B .4489 .2084 .5780 .0015 .0081 .0178 -.0003 .0005 -.0047
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	Enstatite
	Yang H, Ghose S
	American Mineralogist 80 (1995) 9-20
	A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich
	orthopyroxene, (Mg0.75Fe0.25)2Si2O6
	T = 1200 K
	_database_code_amcsd 0001696
	18.4317 8.9822 5.2647 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3750 .6511 .8884 .885 .0016 .0066 .0153 .0000 -.0006 .0002
	Fe1 .3750 .6511 .8884 .115 .0016 .0066 .0153 .0000 -.0006 .0002
	Mg2 .3763 .4863 .3853 .617 .0024 .0088 .0222 -.0005 -.0021 .0008
	Fe2 .3763 .4863 .3853 .383 .0024 .0088 .0222 -.0005 -.0021 .0008
	SiA .2721 .3396 .0656 .0010 .0049 .0117 -.0002 .0000 -.0004
	SiB .4756 .3380 .7807 .0010 .0049 .0136 .0001 -.0004 .0000
	O1A .1850 .3392 .0594 .0009 .0078 .0164 .0000 .0003 .0000
	O1B .5631 .3424 .7829 .0012 .0070 .0187 -.0005 -.0004 -.0003
	O2A .3115 .4965 .0726 .0021 .0065 .0218 -.0015 -.0010 .0010
	O2B .4347 .4870 .7052 .0020 .0069 .0224 .0014 -.0003 .0020
	O3A .3022 .2339 -.1658 .0017 .0117 .0141 .0004 -.0004 -.0059
	O3B .4490 .2136 .5664 .0013 .0117 .0249 -.0006 .0004 -.0075
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	Enstatite
	Yang H, Ghose S
	American Mineralogist 80 (1995) 9-20
	A transitional structural state and anomalous Fe-Mg order-disorder in Mg-rich
	orthopyroxene, (Mg0.75Fe0.25)2Si2O6
	T = 1300 K
	_database_code_amcsd 0001697
	18.5132 8.9809 5.3243 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3746 .6502 .9084 .881 .0018 .0070 .0170 .0000 -.0005 .0003
	Fe1 .3746 .6502 .9084 .119 .0018 .0070 .0170 .0000 -.0005 .0003
	Mg2 .3753 .4870 .4080 .621 .0027 .0103 .0237 -.0004 -.0017 .0003
	Fe2 .3753 .4870 .4080 .379 .0027 .0103 .0237 -.0004 -.0017 .0003
	SiA .2717 .3391 .0829 .0013 .0053 .0137 -.0003 -.0003 -.0002
	SiB .4773 .3391 .7612 .0011 .0061 .0138 .0002 -.0002 .0005
	O1A .1849 .3410 .0788 .0011 .0088 .0181 .0000 -.0009 .0007
	O1B .5642 .3431 .7637 .0013 .0082 .0265 -.0004 -.0003 .0016
	O2A .3126 .4951 .0918 .0028 .0065 .0251 -.0013 .0001 .0002
	O2B .4363 .4938 .7223 .0024 .0077 .0244 .0019 .0006 .0006
	O3A .3018 .2380 -.1556 .0015 .0140 .0210 -.0002 .0000 -.0080
	O3B .4508 .2405 .5190 .0022 .0186 .0308 -.0010 .0007 -.0170
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	Enstatite
	Domeneghetti M C, Molin G M, Stimpfl M, Tribaudino M
	American Mineralogist 80 (1995) 923-929
	Orthopyroxene from the Serra de Mage meteorite: Structure refinement and
	estimation of C2/c pyroxene contributions to apparent Pbca diffraction
	violations
	Sample: OPX SDM N.13, natural
	_database_code_amcsd 0001755
	18.316 8.907 5.218 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Sia .27149 .34060 .05180 .00044 .00135 .00294 -.00013 -.00001 -.00008
	Sib .47403 .33660 .79535 .00047 .00154 .00219 .00014 .00009 .00001
	Mg1 .37540 .65459 .87426 .896 .00056 .00177 .00263 .00000 -.00015 .00015
	Fe1 .37540 .65459 .87426 .104 .00056 .00177 .00263 .00000 -.00015 .00015
	Fe2 .37797 .48308 .36794 .703 .00062 .00245 .00259 -.00012 -.00048 -.00008
	Mg2 .37797 .48308 .36794 .254 .00062 .00245 .00259 -.00012 -.00048 -.00008
	Ca2 .37797 .48308 .36794 .043 .00062 .00245 .00259 -.00012 -.00048 -.00008
	O1a .18355 .33731 .04361 .00046 .00239 .00322 -.00010 .00033 .00016
	O1b .56266 .33632 .79552 .00042 .00255 .00364 .00011 -.00036 .00031
	O2a .31117 .50053 .05332 .00069 .00192 .00466 -.00020 -.00058 .00004
	O2b .43402 .48555 .69789 .00070 .00249 .00455 .00032 -.00019 .00076
	O3a .30233 .23184 -.17642 .00060 .00273 .00635 .00001 .00036 -.00239
	O3b .44739 .20280 .59356 .00062 .00280 .00649 -.00003 -.00014 -.00234
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	Enstatite
	Domeneghetti M C, Molin G M, Stimpfl M, Tribaudino M
	American Mineralogist 80 (1995) 923-929
	Orthopyroxene from the Serra de Mage meteorite: Structure refinement and
	estimation of C2/c pyroxene contributions to apparent Pbca diffraction
	violations
	Sample: OPX SDM N.7, heated
	_database_code_amcsd 0001756
	18.320 8.917 5.219 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Sia .27178 .34044 .05067 .00035 .00100 .00544 -.00020 -.00014 .00006
	Sib .47383 .33640 .79521 .00044 .00132 .00450 .00021 .00028 .00020
	Fe1 .37558 .65406 .87255 .232 .00044 .00145 .00435 -.00003 .00008 .00008
	Mg1 .37558 .65406 .87255 .768 .00044 .00145 .00435 -.00003 .00008 .00008
	Fe2 .37776 .48319 .36681 .570 .00057 .00271 .00439 -.00010 -.00033 -.00006
	Mg2 .37776 .48319 .36681 .387 .00057 .00271 .00439 -.00010 -.00033 -.00006
	Ca2 .37776 .48319 .36681 .043 .00057 .00271 .00439 -.00010 -.00033 -.00006
	O1a .18414 .33775 .03730 .00031 .00196 .00475 -.00008 -.00009 .00090
	O1b .56235 .33755 .79219 .00021 .00280 .00449 .00011 -.00009 .00101
	O2a .31098 .49976 .04844 .00038 .00262 .00658 -.00036 -.00045 .00053
	O2b .43401 .48420 .69768 .00054 .00341 .00609 .00020 -.00002 .00020
	O3a .30222 .23043 -.17242 .00060 .00300 .00629 -.00038 .00063 -.00173
	O3b .44755 .20209 .59672 .00067 .00262 .00584 .00005 -.00002 -.00273
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	Enstatite
	Nestola F, Gatta G D, Ballaran T B
	American Mineralogist 91 (2006) 809-815
	The effect of Ca substitution on the elastic and
	structural behavior of orthoenstatite
	Locality: synthetic sample
	Sample: P = 0.0001 GPa
	_database_code_amcsd 0004153
	18.2588 8.8229 5.1899 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MgM2 .37693 .48481 .36233 .93 .0102 .0098 .0122 .0085 -.0026 -.0016 -.0016
	CaM2 .37693 .48481 .36233 .07 .0102 .0098 .0122 .0085 -.0026 -.0016 -.0016
	MgM1 .37569 .65408 .8681 .0067 .0074 .0067 .0061 -.0000 -.0007 .0004
	SiA .27146 .34153 .04929 .0055
	SiB .47419 .33778 .7968 .0055
	O1A .18349 .3397 .0365 .0067
	O2A .31076 .5022 .0436 .0082
	O3A .30291 .2246 .8286 .0088
	O1B .56276 .3400 .7987 .0069
	O2B .43337 .4842 .6921 .0100
	O3B .44767 .1986 .5991 .0086
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	Enstatite
	Nestola F, Gatta G D, Ballaran T B
	American Mineralogist 91 (2006) 809-815
	The effect of Ca substitution on the elastic and
	structural behavior of orthoenstatite
	Locality: synthetic sample
	Sample: P = 1.76 GPa
	_database_code_amcsd 0004154
	18.201 8.768 5.154 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MgM2 .3768 .4829 .3597 .93 .014 .012 .013 .016 -.003 -.004 -.005
	CaM2 .3768 .4829 .3597 .07 .014 .012 .013 .016 -.003 -.004 -.005
	MgM1 .3762 .6560 .8650 .007 .008 .005 .009 .002 -.001 -.000
	SiA .2710 .3411 .0448 .0064
	SiB .4740 .3376 .7999 .0064
	O1A .1830 .3406 .0340 .005
	O2A .3102 .5041 .0368 .007
	O3A .3035 .2255 .8270 .005
	O1B .5619 .3396 .8023 .010
	O2B .4337 .4864 .6852 .009
	O3B .4472 .1970 .6067 .009
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	Enstatite
	Nestola F, Gatta G D, Ballaran T B
	American Mineralogist 91 (2006) 809-815
	The effect of Ca substitution on the elastic and
	structural behavior of orthoenstatite
	Locality: synthetic sample
	Sample: P = 3.36 GPa
	_database_code_amcsd 0004155
	18.093 8.750 5.127 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MgM2 .3772 .4823 .3548 .93 .010 .008 .013 .009 -.003 .001 -.006
	CaM2 .3772 .4823 .3548 .07 .010 .008 .013 .009 -.003 .001 -.006
	MgM1 .3758 .6558 .8619 .008 .006 .009 .007 -.001 -.00 .004
	SiA .2710 .3427 .0428 .0057
	SiB .4736 .3382 .8019 .0070
	O1A .1824 .3398 .0278 .007
	O2A .3099 .5042 .0344 .009
	O3A .3030 .2255 .8201 .007
	O1B .5625 .3396 .8059 .010
	O2B .4337 .4846 .6886 .006
	O3B .4467 .1945 .6052 .010
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	Enstatite
	Nestola F, Gatta G D, Ballaran T B
	American Mineralogist 91 (2006) 809-815
	The effect of Ca substitution on the elastic and
	structural behavior of orthoenstatite
	Locality: synthetic sample
	Sample: P = 3.94 GPa
	_database_code_amcsd 0004156
	18.108 8.7215 5.120 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MgM2 .3772 .4828 .3549 .93 .0112 .004 .013 .016 .004 -.002 -.003
	CaM2 .3772 .4828 .3549 .07 .0112 .004 .013 .016 .004 -.002 -.003
	MgM1 .3761 .6564 .8616 .0079 .004 .006 .013 -.004 -.000 .002
	SiA .2711 .3423 .0408 .0054
	SiB .4739 .3388 .8008 .0061
	O1A .1826 .3409 .0298 .009
	O2A .3097 .5068 .0371 .008
	O3A .3036 .2258 .8208 .006
	O1B .5618 .3396 .8011 .007
	O2B .4327 .4856 .6908 .008
	O3B .4459 .1942 .6057 .006
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	Enstatite
	Nestola F, Gatta G D, Ballaran T B
	American Mineralogist 91 (2006) 809-815
	The effect of Ca substitution on the elastic and
	structural behavior of orthoenstatite
	Locality: synthetic sample
	Sample: P = 6.25 GPa
	_database_code_amcsd 0004157
	18.022 8.6578 5.085 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MgM2 .3779 .4811 .3530 .93 .012 .009 .012 .014 .001 .003 -.005
	CaM2 .3779 .4811 .3530 .07 .012 .009 .012 .014 .001 .003 -.005
	MgM1 .3762 .6566 .8576 .007 .008 .006 .006 -.001 -.003 .005
	SiA .2705 .3437 .0376 .0051
	SiB .4736 .3382 .8042 .0064
	O1A .1821 .3407 .0237 .007
	O2A .3092 .5057 .0355 .003
	O3A .3035 .2218 .8147 .008
	O1B .5628 .3395 .8134 .010
	O2B .4332 .4847 .6861 .006
	O3B .4458 .1917 .6085 .013
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	Enstatite
	Smyth J R, Mierdel K, Keppler H, Langenhorst F, Dubrovinsky L, Nestola F
	American Mineralogist 92 (2007) 973-976
	Crystal chemistry of hydration in aluminous orthopyroxene
	Locality: synthetic
	_database_code_amcsd 0004362
	18.1876 8.7352 5.1789 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MgM2 .37904 .48367 .35223 .958 .0086 .0104 .0101 .0054 -.0012 -.0020 .0000
	MgM1 .37604 .65378 .86086 .79 .0061 .0062 .0080 .0042 -.0001 -.0009 -.0002
	AlM1 .37604 .65378 .86086 .21 .0061 .0062 .0080 .0042 -.0001 -.0009 -.0002
	Si1 .27135 .34230 .04527 .0058 .0056 .0080 .0039 -.0006 -.0001 .0002
	Si2 .47307 .33717 .80610 .75 .0075 .0068 .0097 .0060 .0001 .0002 .0004
	Al2 .47307 .33717 .80610 .25 .0075 .0068 .0097 .0060 .0001 .0002 .0004
	O1a .18267 .3391 .0325 .0082 .0057 .0117 .0072 -.0012 -.0010 .0016
	O2a .31066 .5049 .0380 .0082 .0084 .0102 .0061 -.0020 -.0005 .0002
	O3a .30260 .2233 -.1737 .0083 .0079 .0121 .0051 -.0003 .0001 -.0017
	O1b .56356 .3374 .8088 .0090 .0077 .0114 .0079 -.0008 .0016 .0020
	O2b .43269 .4854 .6889 .0093 .0091 .0132 .0055 -.0017 -.0011 .0004
	O3b .44653 .1910 .6142 .0093 .0079 .0108 .0092 .0002 .0010 -.0023
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	Enstatite
	Zhang J S, Dera P, Bass J D
	American Mineralogist 97 (2012) 1070-1074
	A new high-pressure phase transition in natural Fe-bearing orthoenstatite
	Locality: San Carlos, Arizona, USA
	Note: P = 12.66 GPa
	_database_code_amcsd 0019068
	17.868 8.491 5.0565 90 90 90 Pbca
	atom x y z occ Uiso
	Mg1 .3762 .6585 .8537 .973 .007
	Mg2 .3780 .4790 .3482 .853 .009
	Fe1 .3762 .6585 .8537 .027 .007
	Fe2 .3780 .4790 .3482 .147 .009
	SiA .2706 .3446 .0331 .006
	SiB .4726 .3382 .8052 .006
	O1a .1818 .3404 .0201 .007
	O2a .3086 .5120 .0287 .008
	O3a .3045 .2247 -.1868 .010
	O1b .5630 .3383 .8114 .008
	O2b .4333 .4886 .6826 .010
	O3b .4444 .1890 .6169 .009
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	Enstatite
	Zhang J S, Dera P, Bass J D
	American Mineralogist 97 (2012) 1070-1074
	A new high-pressure phase transition in natural Fe-bearing orthoenstatite
	Locality: San Carlos, Arizona, USA
	Note: P = 14.26 GPa
	_database_code_amcsd 0019069
	17.87 8.526 4.9485 90 92.88 90 P2_1/c
	atom x y z occ Uiso
	Mg1-1 .3759 .6574 .8231 .96 .009
	Mg1-2 .1254 .3419 .3658 .95 .008
	Mg2-1 .3826 .4820 .3282 .84 .0116
	Mg2-2 .1247 .5275 .8672 .88 .009
	Fe1-1 .3759 .6574 .8231 .04 .009
	Fe1-2 .1254 .3419 .3658 .05 .008
	Fe2-1 .3826 .4820 .3282 .16 .0116
	Fe2-2 .1247 .5275 .8672 .12 .009
	SiA-1 .2716 .3414 .0258 .0069
	SiA-2 .2271 .6572 .4422 .0092
	SiB-1 .4721 .3398 .8079 .0084
	SiB-2 .0249 .6585 .3125 .0101
	O1a-1 .1835 .3414 .0380 .006
	O1a-2 .3157 .6630 .4710 .004
	O2a-1 .3112 .5080 -.0120 .005
	O2a-2 .1871 .5030 .5470 .014
	O3a-1 .3046 .2090 .8390 .010
	O3a-2 .1968 .7020 .1280 .014
	O1b-1 .5637 .3340 .8280 .010
	O1b-2 .9370 .6520 .3080 .006
	O2b-1 .4368 .4960 .6780 .010
	O2b-2 .0619 .5152 .1850 .001
	O3b-1 .4447 .1854 .6200 .010
	O3b-2 .0534 .8130 .1310 .007
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 0.00010(1) GPa
	Locality: synthetic
	_database_code_amcsd 0019515
	18.210 8.820 5.1767 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3769 .4868 .3589 .0096
	Mg1 .3759 .6538 .8659 .0069
	SiTA .27146 .3420 .0505 .0065
	SiTB .47368 .3370 .7985 .0052
	O1A .1832 .3392 .0359 .0040
	O2A .3110 .5022 .0432 .0080
	O3A .3028 .2232 .8299 .0056
	O1B .5626 .3396 .7995 .0047
	O2B .4325 .4820 .6888 .0075
	O3B .4478 .1957 .6037 .0039
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 0.22(3) GPa
	Locality: synthetic
	_database_code_amcsd 0019516
	18.204 8.810 5.1731 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3767 .4863 .3577 .0094
	Mg1 .3759 .6538 .8654 .0069
	SiTA .27160 .3419 .0494 .0051
	SiTB .47346 .3374 .7989 .0051
	O1A .1832 .3392 .0354 .0048
	O2A .3105 .5028 .0428 .0067
	O3A .3030 .2242 .8294 .0056
	O1B .5627 .3402 .7998 .0060
	O2B .4325 .4826 .6885 .0081
	O3B .4477 .1954 .6050 .0049
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 1.23(4) GPa
	Locality: synthetic
	_database_code_amcsd 0019517
	18.158 8.780 5.1574 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3771 .4853 .3555 .0095
	Mg1 .3758 .6542 .8629 .0064
	SiTA .27138 .3425 .0474 .0052
	SiTB .47323 .3371 .8004 .0049
	O1A .1830 .3397 .0318 .0053
	O2A .3106 .5038 .0404 .0067
	O3A .3030 .2234 .8272 .0062
	O1B .5626 .3391 .8018 .0059
	O2B .4324 .4831 .6875 .0066
	O3B .4474 .1940 .6077 .0044
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 2.69(5) GPa
	Locality: synthetic
	_database_code_amcsd 0019518
	18.105 8.734 5.1376 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3771 .4843 .3531 .0089
	Mg1 .3760 .6550 .8608 .0060
	SiTA .27120 .3428 .0448 .0049
	SiTB .47305 .3376 .8018 .0047
	O1A .1828 .3397 .0288 .0054
	O2A .3106 .5049 .0376 .0073
	O3A .3033 .2235 .8252 .0057
	O1B .5624 .3393 .8036 .0060
	O2B .4326 .4831 .6858 .0075
	O3B .4471 .1929 .6103 .0041
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 4.19(4) GPa
	Locality: synthetic
	_database_code_amcsd 0019519
	18.056 8.692 5.1192 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3772 .4837 .3511 .0088
	Mg1 .3760 .6556 .8585 .0069
	SiTA .27123 .3431 .0431 .0053
	SiTB .47285 .3375 .8025 .0053
	O1A .1823 .3398 .0265 .0046
	O2A .3102 .5062 .0351 .0071
	O3A .3037 .2230 .8244 .0060
	O1B .5621 .3391 .8053 .0059
	O2B .4326 .4835 .6850 .0078
	O3B .4467 .1922 .6118 .0040
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 5.21(7) GPa
	Locality: synthetic
	_database_code_amcsd 0019520
	18.019 8.668 5.1073 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3774 .4842 .3503 .0094
	Mg1 .3761 .6561 .8583 .0068
	SiTA .2711 .3432 .0422 .0059
	SiTB .4729 .3375 .8028 .0056
	O1A .1827 .3404 .0262 .007
	O2A .3103 .5058 .0340 .008
	O3A .3034 .2222 .8239 .006
	O1B .5620 .3386 .8058 .0055
	O2B .4328 .4842 .6840 .007
	O3B .4467 .1915 .6129 .0039
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 6.57(5) GPa
	Locality: synthetic
	_database_code_amcsd 0019521
	17.982 8.633 5.0926 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3776 .4831 .3488 .0090
	Mg1 .3762 .6564 .8566 .0078
	SiTA .2712 .3436 .0406 .0073
	SiTB .4727 .3377 .8034 .0059
	O1A .1821 .3397 .0238 .005
	O2A .3102 .5069 .0324 .007
	O3A .3040 .2228 .8230 .006
	O1B .5623 .3386 .8068 .007
	O2B .4333 .4843 .6817 .007
	O3B .4456 .1908 .6148 .004
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 8.26(6) GPa
	Locality: synthetic
	_database_code_amcsd 0019522
	17.933 8.595 5.0766 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3774 .4828 .3474 .0090
	Mg1 .3763 .6571 .8546 .0065
	SiTA .2711 .3441 .0386 .0058
	SiTB .47244 .3379 .8050 .0050
	O1A .1823 .3401 .0219 .0059
	O2A .3094 .5091 .0314 .008
	O3A .3042 .2223 .8219 .0047
	O1B .5615 .3393 .8089 .0068
	O2B .4332 .4852 .6812 .0079
	O3B .4457 .1895 .6159 .0043
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 8.65(7) GPa
	Locality: synthetic
	_database_code_amcsd 0019523
	17.916 8.590 5.0726 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3774 .4828 .3474 .0087
	Mg1 .3763 .6571 .8548 .0063
	SiTA .27106 .3440 .0386 .0054
	SiTB .47249 .3376 .8048 .0048
	O1A .1818 .3400 .0214 .0063
	O2A .3098 .5093 .0312 .007
	O3A .3043 .2224 .8210 .0044
	O1B .5618 .3384 .8089 .0063
	O2B .4332 .4849 .6814 .0066
	O3B .4457 .1888 .6164 .0040
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	Enstatite
	Periotto B, Balic-Zunic T, Nestola F, Katerinopoulou A, Angel R J
	American Mineralogist 97 (2012) 1741-1748
	Re-investigation of the crystal structure of enstatite under high-pressure conditions
	Note: P = 9.36(5) GPa
	Locality: synthetic
	_database_code_amcsd 0019524
	17.897 8.575 5.0664 90 90 90 Pbca
	atom x y z Uiso
	Mg2 .3775 .4824 .3466 .0090
	Mg1 .3765 .6575 .8544 .0065
	SiTA .2711 .3443 .0378 .0057
	SiTB .47243 .3381 .8050 .0050
	O1A .1821 .3400 .0207 .0046
	O2A .3093 .5091 .0306 .008
	O3A .3043 .2224 .8211 .0043
	O1B .5619 .3386 .8100 .0060
	O2B .4331 .4855 .6809 .0070
	O3B .4455 .1885 .6171 .0039
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	Enstatite
	Jacob D, Palatinus L, Cuvillier P, Leroux H, Domeneghetti C, Camara F
	American Mineralogist 98 (2013) 1526-1534
	Ordering state in orthopyroxene as determined by precession electron diffraction
	Locality: Wilson Terrane, North Victoria Land, Antarctica
	_database_code_amcsd 0020252
	18.2810 8.8732 5.2070 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	FeM1 .375580 .65446 .87128 .029 .00754 .00830 .00771 .00660 -.00008 -.00062 .00032
	MgM1 .375580 .65446 .87128 .971 .00754 .00830 .00771 .00660 -.00008 -.00062 .00032
	MgM2 .378034 .48345 .36509 .446 .00981 .01094 .01019 .00829 -.00110 -.00206 .00005
	FeM2 .378034 .48345 .36509 .554 .00981 .01094 .01019 .00829 -.00110 -.00206 .00005
	SiA .271544 .34092 .05148 .00664 .00659 .00693 .00640 -.00052 .00020 -.00010
	SiB .473884 .33679 .79705 .00664 .00663 .00670 .00658 .00035 -.00044 .00014
	O1A .18346 .33838 .04147 .00799 .0065 .0090 .0085 -.00012 .0005 -.0003
	O1B .56251 .33764 .79832 .00814 .0069 .0091 .0085 .00013 -.0003 .0001
	O2A .31114 .50118 .05038 .00948 .0100 .0086 .0099 -.0025 -.0009 .0006
	O2B .43369 .48497 .69471 .00976 .0108 .0093 .0092 .0022 -.0007 .0013
	O3A .30269 .22822 -.17338 .01049 .0092 .0133 .0090 .0004 -.0001 -.0039
	O3B .44727 .19933 .59741 .01011 .0094 .0112 .0097 -.0012 .0001 -.0030
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	Enstatite
	Jacob D, Palatinus L, Cuvillier P, Leroux H, Domeneghetti C, Camara F
	American Mineralogist 98 (2013) 1526-1534
	Ordering state in orthopyroxene as determined by precession electron diffraction
	Locality: Wilson Terrane, North Victoria Land, Antarctica
	_database_code_amcsd 0020253
	18.3022 8.8816 5.2082 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	FeM1 .375724 .65432 .87012 .155 .00805 .00925 .00768 .00722 -.00009 -.00064 .00035
	MgM1 .375724 .65432 .87012 .845 .00805 .00925 .00768 .00722 -.00009 -.00064 .00035
	MgM2 .377827 .48401 .36401 .562 .01025 .01181 .01036 .00859 -.00119 -.00210 .00007
	FeM2 .377827 .48401 .36401 .438 .01025 .01181 .01036 .00859 -.00119 -.00210 .00007
	SiA .271647 .34083 .05069 .00705 .00744 .00693 .00676 -.00053 .00018 -.00012
	SiB .473781 .33678 .79655 .00699 .00737 .00650 .00709 .00030 -.00033 .00017
	O1A .18360 .33901 .03946 .00863 .0078 .0093 .0088 -.0001 .0002 .0001
	O1B .56236 .33842 .79762 .00870 .0078 .0094 .0089 .0002 -.0006 .0002
	O2A .31119 .50097 .04912 .01006 .0113 .0083 .0106 -.0026 -.0013 .0008
	O2B .43343 .48423 .69310 .01035 .0118 .0094 .0097 .0024 -.0002 .0016
	O3A .30274 .22748 -.17301 .01083 .0102 .0133 .0090 .0005 .0000 -.0037
	O3B .44741 .19873 .59763 .01065 .0104 .0116 .0099 -.0012 .0001 -.0028
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	Enstatite
	Jacob D, Palatinus L, Cuvillier P, Leroux H, Domeneghetti C, Camara F
	American Mineralogist 98 (2013) 1526-1534
	Ordering state in orthopyroxene as determined by precession electron diffraction
	Locality: Wilson Terrane, North Victoria Land, Antarctica
	_database_code_amcsd 0020254
	18.2810 8.8732 5.2070 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	FeM1 .37558 .65444 .87128 .028 .00773 .0087 .0076 .0069 .00003 -.00068 .00035
	MgM1 .37558 .65444 .87128 .972 .00773 .0087 .0076 .0069 .00003 -.00068 .00035
	MgM2 .378022 .48350 .36510 .445 .01024 .01155 .01054 .00861 -.00112 -.00226 .00008
	FeM2 .378022 .48350 .36510 .555 .01024 .01155 .01054 .00861 -.00112 -.00226 .00008
	SiA .27155 .34090 .05139 .00701 .00711 .00712 .00680 -.00052 .00019 -.00017
	SiB .47390 .33682 .79702 .00690 .00692 .00688 .0069 .00037 -.00037 .00016
	O1A .18346 .33834 .0416 .0084 .0071 .0093 .0088 -.0002 .0002 -.0004
	O1B .56252 .33758 .7984 .0084 .0073 .0089 .0090 .0004 -.0004 -.0001
	O2A .31115 .50120 .0503 .0099 .0104 .0094 .0099 -.0023 -.0011 .0006
	O2B .43370 .48491 .6947 .0104 .0115 .0102 .0095 .0023 -.0007 .0016
	O3A .30263 .22825 -.1734 .0110 .0099 .0136 .0095 .0005 .0002 -.0037
	O3B .44724 .19936 .5976 .0107 .0097 .0119 .0105 -.0011 -.0002 -.0031
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	Enstatite
	Jacob D, Palatinus L, Cuvillier P, Leroux H, Domeneghetti C, Camara F
	American Mineralogist 98 (2013) 1526-1534
	Ordering state in orthopyroxene as determined by precession electron diffraction
	Locality: Wilson Terrane, North Victoria Land, Antarctica
	_database_code_amcsd 0020255
	18.3022 8.8816 5.2082 90 90 90 Pbca
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	FeM1 .37572 .65432 .87017 .154 .00847 .0099 .0077 .0078 .00003 -.00070 .00040
	MgM1 .37572 .65432 .87017 .846 .00847 .0099 .0077 .0078 .00003 -.00070 .00040
	MgM2 .377812 .48408 .36400 .561 .01080 .0127 .0106 .00916 -.00117 -.00225 .00010
	FeM2 .377812 .48408 .36400 .439 .01080 .0127 .0106 .00916 -.00117 -.00225 .00010
	SiA .27167 .34083 .05061 .00745 .00808 .0071 .0072 -.00058 .00022 -.00014
	SiB .47379 .33676 .79653 .00733 .0078 .0065 .0076 .00023 -.00039 .00021
	O1A .18356 .33892 .0396 .0091 .0087 .0094 .0093 -.0001 .0001 .0002
	O1B .56237 .33840 .7975 .0091 .0087 .0091 .0095 .0004 -.0008 .0001
	O2A .31121 .50097 .0492 .0107 .0121 .0087 .0112 -.0026 -.0011 .0007
	O2B .43345 .48420 .6932 .0109 .0122 .0104 .0101 .0022 -.0002 .0019
	O3A .30276 .22755 -.1731 .0114 .0113 .0133 .0097 .0005 .0003 -.0035
	O3B .44738 .19880 .5977 .0113 .0108 .0122 .0108 -.0013 .0000 -.0030
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	Enstatite
	Hawthorne F C, Ito J
	The Canadian Mineralogist 15 (1977) 321-338
	Synthesis and crystal-structure refinement of transition-metal
	orthopyroxenes I: Orthoenstatite and (Mg, Mn, Co) orthopyroxene
	_database_code_amcsd 0005139
	18.216 8.813 5.179 90 90 90 Pbca
	atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	SiA .27171 .34150 .0503 .00037 .00176 .00252 -.00005 -.00002 -.00005
	SiB .47356 .33730 .7982 .00037 .00173 .00261 .00005 -.00004 .00004
	MgM1 .37580 .65386 .8660 .00052 .00209 .00264 -.00002 -.00013 .00007
	MgM2 .37682 .4870 .3587 .00065 .00255 .00424 -.00007 -.00045 .00032
	O1A .18332 .3399 .0346 .00036 .00256 .00327 -.00001 .00002 -.00008
	O2A .3110 .5024 .0434 .00059 .00210 .00503 -.00030 -.00014 .00020
	O3A .3032 .2226 -.1678 .00053 .00265 .00324 .00005 -.00010 -.00089
	O1B .5624 .3402 .7997 .00042 .00228 .00388 -.00008 .00000 .00010
	O2B .4328 .4832 .6890 .00056 .00224 .00400 .00023 -.00016 .00011
	O3B .4477 .1950 .6040 .00052 .00237 .00313 -.00003 .00017 -.00092
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	Enstatite
	Hawthorne F C, Ito J
	The Canadian Mineralogist 15 (1977) 321-338
	Synthesis and crystal-structure refinement of transition-metal
	orthopyroxenes I: Orthoenstatite and (Mg, Mn, Co) orthopyroxene
	_database_code_amcsd 0005140
	18.246 8.839 5.196 90 90 90 Pbca
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	SiA .27165 .3411 .0516 .00039 .00150 .00368 -.00006 .00009 -.00009
	SiB .47381 .3371 .7960 .00039 .00147 .00361 .00004 -.00022 -.00007
	MgM1 .37562 .6541 .8704 .904 .00037 .00127 .00350 -.00004 -.00015 .00008
	CoM1 .37562 .6541 .8704 .065 .00037 .00127 .00350 -.00004 -.00015 .00008
	MnM1 .37562 .6541 .8704 .031 .00037 .00127 .00350 -.00004 -.00015 .00008
	MgM2 .37712 .4851 .3636 .658 .00057 .00238 .00409 -.00010 -.00042 .00016
	CoM2 .37712 .4851 .3636 .198 .00057 .00238 .00409 -.00010 -.00042 .00016
	MnM2 .37712 .4851 .3636 .144 .00057 .00238 .00409 -.00010 -.00042 .00016
	O1A .1837 .3390 .0396 .00029 .00268 .00517 .00001 .00007 -.00013
	O2A .3106 .5019 .0468 .00067 .00196 .00539 -.00032 -.00008 .00042
	O3A .3033 .2261 -.1714 .00054 .00280 .00509 .00003 .00000 -.00156
	O1B .5623 .3394 .7975 .00047 .00200 .00498 -.00017 .00012 .00060
	O2B .4337 .4846 .6935 .00067 .00208 .00441 .00032 -.00010 .00061
	O3B .4474 .1985 .5980 .00043 .00276 .00467 -.00007 .00007 -.00141
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	Enstatite
	Nestola F, Tribaudino M
	European Journal of Mineralogy 15 (2003) 365-371
	The structure of Pbca orthopyroxenes along the join diopside-enstatite (CaMgSi2O6-Mg2Si2O6)
	Sample: D4En96
	_database_code_amcsd 0006978
	18.262 8.826 5.192 90 90 90 Pbca
	atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	CaM2 .37699 .48508 .3610 .04 .64 .0083 .0111 .0052 -.0019 -.0014 -.0010
	MgM2 .37699 .48508 .3610 .96 .64 .0083 .0111 .0052 -.0019 -.0014 -.0010
	MgM1 .37567 .65400 .8670 .46 .0065 .0070 .0043 .0000 -.0004 .0002
	SiTA .27150 .34160 .04923 .36 .0044 .0056 .0036 -.0004 .0004 -.0001
	SiTB .47405 .33774 .79770 .37 .0045 .0058 .0036 .0002 -.0002 .0003
	O1A .18335 .3400 .0353 .42 .0042 .0076 .0042 .0001 .0003 .0006
	O2A .31062 .5024 .0437 .55 .0078 .0070 .0059 -.0013 -.0002 .0009
	O3A .30274 .2240 .8283 .57 .0062 .0098 .0055 -.0000 .0001 -.0029
	O1B .56272 .3402 .7996 .47 .0040 .0085 .0054 -.0008 -.0011 .0002
	O2B .43341 .4842 .6915 .62 .0080 .0087 .0070 .0026 .0007 .0021
	O3B .44770 .1973 .6008 .58 .0064 .0104 .0051 -.0011 .0004 -.0028
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	Enstatite
	Nestola F, Tribaudino M
	European Journal of Mineralogy 15 (2003) 365-371
	The structure of Pbca orthopyroxenes along the join diopside-enstatite (CaMgSi2O6-Mg2Si2O6)
	Sample: D7E93
	_database_code_amcsd 0006979
	18.268 8.836 5.196 90 90 90 Pbca
	atom x y z occ Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	CaM2 .37693 .48464 .36224 .07 .837 .0098 .0140 .0081 -.0025 -.0015 -.0014
	MgM2 .37693 .48464 .36224 .93 .837 .0098 .0140 .0081 -.0025 -.0015 -.0014
	MgM1 .37567 .65402 .86809 .579 .0075 .0079 .0066 -.0000 -.0006 .0004
	SiTA .27143 .34156 .04927 .476 .0058 .0062 .0061 -.00044 .00063 -.00026
	SiTB .47421 .33784 .79691 .475 .0057 .0064 .0059 .00047 .00005 .00038
	O1A .18336 .33982 .0362 .564 .0054 .0081 .0080 .0001 .0005 -.0003
	O2A .31067 .50190 .0439 .654 .0089 .0069 .0090 -.0019 -.0003 .0012
	O3A .30277 .22461 .8285 .726 .0076 .0113 .0087 .0002 .0010 -.0038
	O1B .56275 .34024 .7990 .582 .0057 .0086 .0077 -.0001 -.0002 .0002
	O2B .43344 .48436 .6920 .803 .0112 .0089 .0104 .0034 .0013 .0021
	O3B .44770 .19840 .5986 .704 .0081 .0112 .0074 -.0008 .0000 -.0027
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	Enstatite
	Ohashi Y
	Physics and Chemistry of Minerals 10 (1984) 217-229
	Polysynthetically-twinned structures of enstatite and wollastonite
	Sample: OREN
	_database_code_amcsd 0007358
	18.225 8.8128 5.180 90 90 90 Pbca
	atom x y z Biso
	MgM1 .37584 .65383 .8660 .37
	MgM2 .37677 .48687 .3589 .57
	SiA .27173 .34155 .0505 .28
	SiB .47353 .33739 .7980 .27
	O1A .18343 .3398 .0347 .38
	O2A .31106 .5023 .0433 .47
	O3A .30322 .2227 .8311 .46
	O1B .56243 .3402 .8001 .39
	O2B .43258 .4827 .6895 .46
	O3B .44742 .1952 .6039 .41
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	Enstatite
	Yang H, Ghose S
	Physics and Chemistry of Minerals 22 (1995) 300-310
	High temperature single crystal X-ray diffraction studies
	of the ortho-proto phase transition in enstatite, Mg2Si2O6 at 1360 K
	Sample: T = 296 K
	_database_code_amcsd 0007919
	18.251 8.814 5.181 90 90 90 Pbca
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3758 .6537 .8660 .423 .0004 .0015 .0031 .0000 -.0002 .0002
	Mg2 .3768 .4869 .3590 .605 .0005 .0022 .0045 -.0001 -.0003 .0002
	SiA .2717 .3415 .0505 .330 .0003 .0012 .0025 .0000 .0000 -.0002
	SiB .4735 .3374 .7983 .320 .0002 .0011 .0027 .0000 -.0001 .0001
	O1A .1834 .3400 .0356 .463 .0003 .0019 .0039 .0000 .0001 -.0001
	O1B .5625 .3403 .8002 .459 .0003 .0019 .0043 .0001 .0000 .0001
	O2A .3108 .5027 .0432 .542 .0005 .0014 .0052 -.0002 .0000 -.0001
	O2B .4327 .4833 .6896 .528 .0005 .0016 .0035 .0002 -.0001 .0005
	O3A .3032 .2226 -.1679 .534 .0004 .0024 .0032 .0000 .0000 -.0010
	O3B .4475 .1955 .6040 .512 .0004 .0019 .0037 -.0001 .0001 -.0006
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	Enstatite
	Yang H, Ghose S
	Physics and Chemistry of Minerals 22 (1995) 300-310
	High temperature single crystal X-ray diffraction studies
	of the ortho-proto phase transition in enstatite, Mg2Si2O6 at 1360 K
	Sample: T = 900 K
	_database_code_amcsd 0007920
	18.341 8.889 5.219 90 90 90 Pbca
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3754 .6521 .8731 1.257 .0010 .0043 .0095 -.0001 -.0004 .0000
	Mg2 .3766 .4872 .3664 1.756 .0015 .0059 .0128 -.0003 .0011 .0009
	SiA .2719 .3409 .0552 .879 .0006 .0031 .0073 -.0002 .0000 -.0003
	SiB .4743 .3377 .7936 .878 .0006 .0032 .0075 .0001 -.0002 .0000
	O1A .1839 .3395 .0427 1.208 .0007 .0049 .0108 .0001 .0001 .0005
	O1B .5629 .3411 .7955 1.197 .0006 .0053 .0105 .0001 .0000 .0002
	O2A .3111 .5001 .0527 1.495 .0012 .0040 .0143 -.0007 -.0001 .0012
	O2B .4333 .4838 .6939 1.523 .0013 .0046 .0130 .0007 -.0003 .0015
	O3A .3028 .2258 -.1680 1.476 .0010 .0060 .0106 .0002 -.0001 -.0030
	O3B .4485 .1998 .5956 1.426 .0011 .0055 .0099 -.0003 -.0001 -.0029
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	Enstatite
	Yang H, Ghose S
	Physics and Chemistry of Minerals 22 (1995) 300-310
	High temperature single crystal X-ray diffraction studies
	of the ortho-proto phase transition in enstatite, Mg2Si2O6 at 1360 K
	Sample: T = 1200 K
	_database_code_amcsd 0007921
	18.413 8.929 5.246 90 90 90 Pbca
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3753 .6514 .8780 1.758 .0014 .0061 .0129 .0000 -.0006 .0001
	Mg2 .3762 .4876 .3725 2.518 .0022 .0080 .0183 -.0005 -.0022 .0018
	SiA .2720 .3403 .0590 1.226 .0009 .0043 .0097 -.0003 .0000 -.0003
	SiB .4749 .3380 .7895 1.214 .0008 .0044 .0102 .0002 -.0003 .0002
	O1A .1844 .3396 .0484 1.734 .0011 .0065 .0144 .0001 .0000 .0004
	O1B .5629 .3420 .7915 1.702 .0010 .0069 .0145 .0001 -.0003 .0002
	O2A .3109 .4992 .0572 2.054 .0016 .0056 .0197 -.0011 -.0006 .0013
	O2B .4337 .4847 .6974 2.05 .0017 .0064 .0170 .0010 -.0003 .0024
	O3A .3025 .2273 -.1660 2.071 .0012 .0095 .0143 .0002 -.0003 -.0046
	O3B .4490 .2037 .5875 2.101 .0014 .0082 .0159 -.0003 -.0001 -.0043
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	Enstatite
	Yang H, Ghose S
	Physics and Chemistry of Minerals 22 (1995) 300-310
	High temperature single crystal X-ray diffraction studies
	of the ortho-proto phase transition in enstatite, Mg2Si2O6 at 1360 K
	Sample: T = 1360 K
	_database_code_amcsd 0007922
	18.456 8.960 5.270 90 90 90 Pbca
	atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Mg1 .3753 .6510 .8841 2.629 .0025 .0073 .0191 .0003 -.0007 .0001
	Mg2 .3765 .4878 .3791 3.736 .0040 .0097 .0240 -.0010 -.0013 .0021
	SiA .2710 .3397 .0642 2.318 .0026 .0058 .0143 .0002 -.0001 -.0016
	SiB .4761 .3385 .7842 2.095 .0022 .0053 .0143 .0004 -.0005 .0014
	O1A .1832 .3401 .0564 2.296 .0008 .0100 .0229 .0004 -.0020 .0024
	O1B .5638 .3428 .7859 1.878 .0004 .0087 .0213 -.0001 -.0006 -.0017
	O2A .3116 .4980 .0626 3.066 .0032 .0064 .0249 -.0015 -.0009 .0009
	O2B .4356 .4858 .7005 2.772 .0024 .0082 .0213 .0007 -.0007 .0004
	O3A .3020 .2280 -.1629 2.321 .0003 .0141 .0181 .0006 .0010 -.0030
	O3B .4499 .2099 .5761 3.172 .0019 .0134 .0241 -.0004 .0003 -.0099
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 0.00 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008009
	18.2974 8.9040 5.2092 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3759 .6547 .8729 .59 .77
	FeM1 .3759 .6547 .8729 .41 .77
	MgM2 .3782 .4852 .3652 .59 .77
	FeM2 .3782 .4852 .3652 .41 .77
	SiTA .2713 .3413 .0536 .77
	SiTB .4744 .3363 .7946 .83
	O1a .182 .3385 .039 .71
	O2a .3088 .5002 .050 .75
	O3a .3012 .2280 .821 1.17
	O1b .563 .3382 .798 1.48
	O2b .4327 .4839 .692 .77
	O3b .4486 .1995 .596 .90
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 1.54 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008010
	18.2351 8.8492 5.1839 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3763 .6547 .8682 .59 .61
	FeM1 .3763 .6547 .8682 .41 .61
	MgM2 .3780 .4840 .3606 .59 .61
	FeM2 .3780 .4840 .3606 .41 .61
	SiTA .2706 .3419 .0489 .58
	SiTB .4736 .3362 .7969 .63
	O1a .181 .341 .034 .78
	O2a .311 .500 .047 .50
	O3a .303 .2296 .825 .45
	O1b .562 .337 .805 .99
	O2b .434 .487 .694 .59
	O3b .448 .1968 .600 .64
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 2.50 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008011
	18.197 8.820 5.171 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3758 .6568 .8663 .59 .36
	FeM1 .3758 .6568 .8663 .41 .36
	MgM2 .3783 .4826 .3597 .59 .33
	FeM2 .3783 .4826 .3597 .41 .33
	SiTA .2711 .3418 .0458 .26
	SiTB .4732 .3353 .7980 .24
	O1a .1832 .3393 .034 .36
	O2a .3103 .5023 .047 .29
	O3a .3037 .2282 .823 .07
	O1b .5617 .3364 .801 .45
	O2b .4335 .4828 .691 .40
	O3b .4471 .1962 .603 .26
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 3.17 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008012
	18.174 8.7953 5.1608 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3758 .6553 .8650 .59 .54
	FeM1 .3758 .6553 .8650 .41 .54
	MgM2 .3776 .4819 .3569 .59 .57
	FeM2 .3776 .4819 .3569 .41 .57
	SiTA .2698 .3428 .0455 .46
	SiTB .4732 .3361 .7980 .44
	O1a .181 .340 .027 .51
	O2a .312 .5034 .044 .37
	O3a .3023 .230 .821 .76
	O1b .564 .341 .821 .76
	O2b .4337 .4862 .692 .27
	O3b .4479 .196 .603 .18
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 4.14 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008013
	18.1418 8.7682 5.1495 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3758 .6561 .8647 .59 .69
	FeM1 .3758 .6561 .8647 .41 .69
	MgM2 .3784 .4827 .3570 .59 .50
	FeM2 .3784 .4827 .3570 .41 .50
	SiTA .2719 .3438 .0430 .31
	SiTB .4729 .3359 .8000 .40
	O1a .1827 .338 .028 .28
	O2a .3108 .507 .042 .39
	O3a .3031 .232 .820 .43
	O1b .5605 .339 .798 .54
	O2b .4334 .487 .688 .18
	O3b .4454 .194 .607 .24
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 4.76 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008014
	18.124 8.754 5.144 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3761 .6570 .8626 .59 .47
	FeM1 .3761 .6570 .8626 .41 .47
	MgM2 .3782 .4813 .3570 .59 .55
	FeM2 .3782 .4813 .3570 .41 .55
	SiTA .2710 .3419 .0424 .49
	SiTB .4731 .3363 .8000 .32
	O1a .1830 .340 .031 .27
	O2a .3085 .509 .038 .69
	O3a .3023 .230 .813 .02
	O1b .5619 .337 .801 .68
	O2b .4330 .486 .688 .02
	O3b .4458 .195 .605 .01
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 5.77 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008015
	18.0912 8.724 5.1315 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3760 .6566 .8625 .59 .07
	FeM1 .3760 .6566 .8625 .41 .07
	MgM2 .3784 .4809 .3350 .59 .05
	FeM2 .3784 .4809 .3350 .41 .05
	SiTA .2710 .3432 .0407 .01
	SiTB .4729 .3373 .7996 .01
	O1a .1826 .340 .030 .04
	O2a .3097 .507 .040 .24
	O3a .3038 .229 .817 .03
	O1b .5611 .337 .804 .18
	O2b .4334 .481 .689 .04
	O3b .4455 .190 .605 .00
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 6.59 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008016
	18.0665 8.706 5.1236 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3763 .6576 .8612 .59 .06
	FeM1 .3763 .6576 .8612 .41 .06
	MgM2 .3783 .4802 .3544 .59 .06
	FeM2 .3783 .4802 .3544 .41 .06
	SiTA .2712 .3413 .0393 .01
	SiTB .4729 .3377 .8010 .02
	O1a .1827 .340 .028 .05
	O2a .3091 .506 .040 .10
	O3a .3043 .230 .815 .07
	O1b .5614 .339 .806 .06
	O2b .4337 .485 .687 .07
	O3b .4454 .194 .608 .24
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 7.50 GPa, synthetic En60 orthopyroxene
	_database_code_amcsd 0008017
	18.035 8.682 5.1138 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3764 .6576 .8595 .59 .23
	FeM1 .3764 .6576 .8595 .41 .23
	MgM2 .3783 .4797 .3534 .59 .21
	FeM2 .3783 .4797 .3534 .41 .21
	SiTA .2706 .3434 .0381 .24
	SiTB .4732 .3374 .8018 .28
	O1a .1834 .338 .027 .50
	O2a .3087 .508 .038 .47
	O3a .3042 .2273 .815 .25
	O1b .5596 .339 .803 .33
	O2b .4342 .485 .688 .30
	O3b .4450 .1921 .611 .35
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 0.00 GPa, natural orthopyroxene
	_database_code_amcsd 0008018
	18.231 8.8095 5.1873 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3757 .6529 .8652 .08
	MgM2 .3785 .4842 .3582 .66 .08
	FeM2 .3785 .4842 .3582 .24 .08
	CaM2 .3785 .4842 .3582 .012 .08
	AlM2 .3785 .4842 .3582 .08 .08
	SiTA .2701 .3424 .0491 .97 .00
	AlTA .2701 .3424 .0491 .03 .00
	SiTB .4740 .3377 .8013 .97 .16
	AlTB .4740 .3377 .8013 .03 .16
	O1a .182 .340 .031 .20
	O2a .312 .502 .050 .20
	O3a .303 .2254 .826 .20
	O1b .565 .338 .806 .20
	O2b .435 .4856 .691 .20
	O3b .446 .1943 .605 .20
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 1.04 GPa, natural orthopyroxene
	_database_code_amcsd 0008019
	18.189 8.7765 5.1723 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3754 .6542 .8623 .06
	MgM2 .3780 .4844 .3572 .66 .07
	FeM2 .3780 .4844 .3572 .24 .07
	CaM2 .3780 .4844 .3572 .012 .07
	AlM2 .3780 .4844 .3572 .08 .07
	SiTA .2703 .3429 .0479 .97 .01
	AlTA .2703 .3429 .0479 .03 .01
	SiTB .4752 .3369 .8022 .97 .01
	AlTB .4752 .3369 .8022 .03 .01
	O1a .181 .3399 .032 .07
	O2a .308 .5036 .046 .07
	O3a .303 .225 .825 .07
	O1b .568 .338 .804 .07
	O2b .432 .483 .689 .07
	O3b .445 .191 .606 .07
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 1.90 GPa, natural orthopyroxene
	_database_code_amcsd 0008020
	18.160 8.7503 5.1606 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .376 .6541 .863 .10
	MgM2 .3792 .4830 .3546 .66 .10
	FeM2 .3792 .4830 .3546 .24 .10
	CaM2 .3792 .4830 .3546 .012 .10
	AlM2 .3792 .4830 .3546 .08 .10
	SiTA .268 .3424 .0458 .97 .05
	AlTA .268 .3424 .0458 .03 .05
	SiTB .4752 .3371 .8025 .97 .05
	AlTB .4752 .3371 .8025 .03 .05
	O1a .179 .343 .024 .27
	O2a .309 .506 .042 .27
	O3a .301 .223 .819 .27
	O1b .566 .339 .814 .27
	O2b .429 .485 .692 .27
	O3b .445 .192 .609 .27
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	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 3.00 GPa, natural orthopyroxene
	_database_code_amcsd 0008021
	18.115 8.7184 5.1472 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .374 .6541 .861 .23
	MgM2 .3783 .4821 .3523 .66 .23
	FeM2 .3783 .4821 .3523 .24 .23
	CaM2 .3783 .4821 .3523 .012 .23
	AlM2 .3783 .4821 .3523 .08 .23
	SiTA .269 .3433 .0435 .97 .09
	AlTA .269 .3433 .0435 .03 .09
	SiTB .4750 .3379 .8031 .97 .09
	AlTB .4750 .3379 .8031 .03 .09
	O1a .177 .339 .029 .25
	O2a .311 .506 .036 .25
	O3a .303 .228 .821 .25
	O1b .567 .341 .809 .25
	O2b .432 .488 .691 .25
	O3b .451 .191 .611 .25
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 4.03 GPa, natural orthopyroxene
	_database_code_amcsd 0008022
	18.077 8.6907 5.1349 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .377 .6550 .860 .16
	MgM2 .378 .4818 .3525 .66 .16
	FeM2 .378 .4818 .3525 .24 .16
	CaM2 .378 .4818 .3525 .012 .16
	AlM2 .378 .4818 .3525 .08 .16
	SiTA .271 .3431 .040 .97 .04
	AlTA .271 .3431 .040 .03 .04
	SiTB .473 .3385 .804 .97 .04
	AlTB .473 .3385 .804 .03 .04
	O1a .181 .338 .031 .27
	O2a .310 .508 .039 .27
	O3a .305 .227 .819 .27
	O1b .562 .336 .809 .27
	O2b .433 .486 .691 .27
	O3b .444 .192 .609 .27
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 4.93 GPa, natural orthopyroxene
	_database_code_amcsd 0008023
	18.051 8.6683 5.1244 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .378 .6558 .858 .01
	MgM2 .3762 .4815 .3522 .66 .03
	FeM2 .3762 .4815 .3522 .24 .03
	CaM2 .3762 .4815 .3522 .012 .03
	AlM2 .3762 .4815 .3522 .08 .03
	SiTA .270 .3441 .040 .97 .11
	AlTA .270 .3441 .040 .03 .11
	SiTB .472 .3389 .8033 .97 .11
	AlTB .472 .3389 .8033 .03 .11
	O1a .179 .339 .021 .27
	O2a .304 .509 .040 .27
	O3a .302 .228 .819 .27
	O1b .562 .337 .811 .27
	O2b .430 .487 .690 .27
	O3b .448 .191 .613 .27
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Hugh-Jones D A, Chopelas A, Angel R J
	Physics and Chemistry of Minerals 24 (1997) 301-310
	Tetrahedral compression in (Mg,Fe)SiO3 orthopyroxenes
	Sample: P = 6.01 GPa, natural orthopyroxene
	_database_code_amcsd 0008024
	18.00 8.642 5.115 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .376 .6583 .856 .16
	MgM2 .3771 .4804 .351 .66 .16
	FeM2 .3771 .4804 .351 .24 .16
	CaM2 .3771 .4804 .351 .012 .16
	AlM2 .3771 .4804 .351 .08 .16
	SiTA .268 .3423 .040 .97 .22
	AlTA .268 .3423 .040 .03 .22
	SiTB .475 .3365 .804 .97 .22
	AlTB .475 .3365 .804 .03 .22
	O1a .178 .342 .027 .47
	O2a .306 .509 .034 .47
	O3a .304 .225 .818 .47
	O1b .567 .337 .812 .47
	O2b .432 .487 .689 .47
	O3b .446 .190 .611 .47
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Camara F, Iezzi G, Tiepolo M, Oberti R
	Physics and Chemistry of Minerals 33 (2006) 475-483
	The crstal chemistry of lithium and Fe3+ in synthetic orthopyroxene
	Sample: LMFPX3
	_database_code_amcsd 0009041
	18.2113 8.8172 5.2050 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3754 .6510 .8745 .74 .63
	Fe3+M1 .3754 .6510 .8745 .20 .63
	Fe2+M1 .3754 .6510 .8745 .06 .63
	MgM2 .3775 .4846 .3665 .59 .69
	Fe2+M2 .3775 .4846 .3665 .21 .69
	LiM2 .3775 .4846 .3665 .20 .69
	Sia .2722 .3406 .0540 .44
	Sib .4740 .3371 .7942 .45
	O1a .1836 .3375 .0442 .60
	O1b .5630 .3375 .7960 .60
	O2a .3104 .5032 .0502 .72
	O2b .4342 .4871 .6973 .74
	O3a .3033 .2281 -.1714 .70
	O3b .4474 .2017 .5920 .73
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Camara F, Iezzi G, Tiepolo M, Oberti R
	Physics and Chemistry of Minerals 33 (2006) 475-483
	The crstal chemistry of lithium and Fe3+ in synthetic orthopyroxene
	Sample: LMFPX4
	_database_code_amcsd 0009042
	18.2369 8.8246 5.2076 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3754 .6514 .8734 .74 .61
	Fe3+M1 .3754 .6514 .8734 .20 .61
	Fe2+M1 .3754 .6514 .8734 .06 .61
	MgM2 .3775 .4848 .3655 .59 .67
	Fe2+M2 .3775 .4848 .3655 .21 .67
	LiM2 .3775 .4848 .3655 .20 .67
	Sia .2721 .3408 .0535 .41
	Sib .4739 .3370 .7949 .41
	O1a .1836 .3378 .0428 .55
	O1b .5630 .3380 .7966 .60
	O2a .3104 .5029 .0492 .70
	O2b .4340 .4864 .6964 .70
	O3a .3033 .2275 -.1714 .63
	O3b .4475 .2006 .5939 .65
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Camara F, Iezzi G, Tiepolo M, Oberti R
	Physics and Chemistry of Minerals 33 (2006) 475-483
	The crstal chemistry of lithium and Fe3+ in synthetic orthopyroxene
	Sample: LMFPX5
	_database_code_amcsd 0009043
	18.2162 8.8194 5.2054 90 90 90 Pbca
	atom x y z occ Biso
	MgM1 .3754 .6513 .8740 .74 .66
	Fe3+M1 .3754 .6513 .8740 .20 .66
	Fe2+M1 .3754 .6513 .8740 .06 .66
	MgM2 .3775 .4848 .3657 .59 .73
	Fe2+M2 .3775 .4848 .3657 .21 .73
	LiM2 .3775 .4848 .3657 .20 .73
	Sia .2721 .3408 .0537 .45
	Sib .4740 .3371 .7943 .46
	O1a .1835 .3378 .0434 .61
	O1b .5630 .3377 .7962 .63
	O2a .3104 .5030 .0500 .71
	O2b .4341 .4867 .6969 .78
	O3a .3032 .2280 -.1712 .66
	O3b .4475 .2014 .5930 .74
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 20 C
	_database_code_amcsd 0009057
	18.2429 8.8171 5.1894 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3780 .6514 .8714 .967 .00695
	FeM1 .3780 .6514 .8714 .023 .00695
	MgM2 .3754 .4879 .3508 .853 .01089
	FeM2 .3754 .4879 .3508 .127 .01089
	SiA .2700 .3468 .0527 .00153
	SiB .4724 .3370 .7975 .97 .00153
	AlB .4724 .3370 .7975 .03 .00153
	O1A .1840 .3305 .0362 .00218
	O1B .5618 .3462 .7963 .00218
	O2A .3092 .5042 .0396 .00218
	O2B .4318 .4895 .6888 .00218
	O3A .3036 .2281 -.1686 .00218
	O3B .4478 .1967 .6015 .00218
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1200 C
	_database_code_amcsd 0009058
	18.4588 8.9638 5.2848 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3814 .6504 .8953 .919 .04519
	FeM1 .3814 .6504 .8953 .071 .04519
	MgM2 .3723 .4848 .3715 .901 .05034
	FeM2 .3723 .4848 .3715 .079 .05034
	SiA .2710 .3464 .0655 .01735
	SiB .4757 .3423 .7714 .97 .01735
	AlB .4757 .3423 .7714 .03 .01735
	O1A .1854 .3383 .0582 .01959
	O1B .5632 .3427 .7823 .01959
	O2A .3113 .5029 .0474 .01959
	O2B .4324 .4964 .7068 .01959
	O3A .3027 .2368 -.1691 .01959
	O3B .4503 .2093 .5739 .01959
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1175 C
	_database_code_amcsd 0009059
	18.4517 8.9612 5.2797 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3814 .6514 .8937 .928 .04322
	FeM1 .3814 .6514 .8937 .062 .04322
	MgM2 .3729 .4850 .3692 .892 .04855
	FeM2 .3729 .4850 .3692 .088 .04855
	SiA .2712 .3464 .0647 .01682
	SiB .4756 .3417 .7733 .97 .01682
	AlB .4756 .3417 .7733 .03 .01682
	O1A .1856 .3390 .0562 .01900
	O1B .5629 .3435 .7843 .01900
	O2A .3119 .5031 .0477 .01900
	O2B .4321 .4956 .7053 .01900
	O3A .3028 .2363 -.1702 .01900
	O3B .4503 .2082 .5758 .01900
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1150 C
	_database_code_amcsd 0009060
	18.4450 8.9589 5.2749 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3812 .6516 .8913 .927 .04139
	FeM1 .3812 .6516 .8913 .063 .04139
	MgM2 .3731 .4852 .3673 .893 .04650
	FeM2 .3731 .4852 .3673 .087 .04650
	SiA .2710 .3473 .0621 .01572
	SiB .4753 .3398 .7761 .97 .01572
	AlB .4753 .3398 .7761 .03 .01572
	O1A .1852 .3395 .0535 .01780
	O1B .5626 .3430 .7859 .01780
	O2A .3115 .5039 .0470 .01780
	O2B .4321 .4944 .7045 .01780
	O3A .3024 .2353 -.1706 .01780
	O3B .4499 .2071 .5776 .01780
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1125 C
	_database_code_amcsd 0009061
	18.4378 8.9555 5.2711 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3811 .6518 .8904 .925 .04085
	FeM1 .3811 .6518 .8904 .065 .04085
	MgM2 .3732 .4852 .3656 .895 .04562
	FeM2 .3732 .4852 .3656 .085 .04562
	SiA .2712 .3470 .0615 .01538
	SiB .4753 .3398 .7762 .97 .01538
	AlB .4753 .3398 .7762 .03 .01538
	O1A .1854 .3386 .0530 .01742
	O1B .5626 .3437 .7859 .01742
	O2A .3114 .5040 .0467 .01742
	O2B .4321 .4944 .7037 .01742
	O3A .3024 .2351 -.1703 .01742
	O3B .4499 .2067 .5783 .01742
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1100 C
	_database_code_amcsd 0009062
	18.4314 8.9520 5.2674 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3809 .6518 .8889 .925 .04020
	FeM1 .3809 .6518 .8889 .065 .04020
	MgM2 .3736 .4855 .3648 .895 .04412
	FeM2 .3736 .4855 .3648 .085 .04412
	SiA .2712 .3475 .0612 .01488
	SiB .4751 .3392 .7769 .97 .01488
	AlB .4751 .3392 .7769 .03 .01488
	O1A .1853 .3386 .0516 .01687
	O1B .5627 .3429 .7863 .01687
	O2A .3112 .5045 .0467 .01687
	O2B .4321 .4934 .7026 .01687
	O3A .3026 .2348 -.1702 .01687
	O3B .4499 .2061 .5792 .01687
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1075 C
	_database_code_amcsd 0009063
	18.4244 8.9481 5.2639 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3807 .6519 .8876 .924 .03851
	FeM1 .3807 .6519 .8876 .066 .03851
	MgM2 .3740 .4848 .3645 .896 .04247
	FeM2 .3740 .4848 .3645 .084 .04247
	SiA .2712 .3473 .0599 .01460
	SiB .4751 .3385 .7767 .97 .01460
	AlB .4751 .3385 .7767 .03 .01460
	O1A .1851 .3403 .0497 .01656
	O1B .5626 .3420 .7869 .01656
	O2A .3112 .5046 .0470 .01656
	O2B .4321 .4929 .7024 .01656
	O3A .3025 .2344 -.1702 .01656
	O3B .4499 .2054 .5800 .01656
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1050 C
	_database_code_amcsd 0009064
	18.4197 8.9449 5.2609 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3806 .6508 .8844 .924 .03678
	FeM1 .3806 .6508 .8844 .066 .03678
	MgM2 .3736 .4851 .3667 .896 .04140
	FeM2 .3736 .4851 .3667 .084 .04140
	SiA .2707 .3470 .0616 .01394
	SiB .4746 .3391 .7768 .97 .01394
	AlB .4746 .3391 .7768 .03 .01394
	O1A .1847 .3419 .0484 .01583
	O1B .5623 .3399 .7884 .01583
	O2A .3105 .5052 .0453 .01583
	O2B .4316 .4926 .7020 .01583
	O3A .3024 .2343 -.1697 .01583
	O3B .4501 .2047 .5813 .01583
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1025 C
	_database_code_amcsd 0009065
	18.4125 8.9408 5.2577 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3806 .6516 .8829 .929 .03836
	FeM1 .3806 .6516 .8829 .061 .03836
	MgM2 .3738 .4853 .3643 .891 .04045
	FeM2 .3738 .4853 .3643 .089 .04045
	SiA .2708 .3471 .0603 .01337
	SiB .4745 .3387 .7781 .97 .01337
	AlB .4745 .3387 .7781 .03 .01337
	O1A .1849 .3416 .0481 .01520
	O1B .5624 .3400 .7888 .01520
	O2A .3105 .5057 .0452 .01520
	O2B .4319 .4922 .7018 .01520
	O3A .3023 .2340 -.1701 .01520
	O3B .4498 .2041 .5818 .01520
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	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 1000 C
	_database_code_amcsd 0009066
	18.4047 8.9366 5.2543 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3801 .6525 .8848 .928 .03640
	FeM1 .3801 .6525 .8848 .062 .03640
	MgM2 .3748 .4852 .3611 .892 .03988
	FeM2 .3748 .4852 .3611 .088 .03988
	SiA .2711 .3481 .0582 .01347
	SiB .4747 .3375 .7783 .97 .01347
	AlB .4747 .3375 .7783 .03 .01347
	O1A .1852 .3385 .0474 .01531
	O1B .5624 .3426 .7875 .01531
	O2A .3108 .5052 .0462 .01531
	O2B .4322 .4911 .7018 .01531
	O3A .3027 .2335 -.1701 .01531
	O3B .4496 .2037 .5820 .01531
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	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 975 C
	_database_code_amcsd 0009067
	18.3995 8.9329 5.2519 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3803 .6520 .8821 .927 .03589
	FeM1 .3803 .6520 .8821 .063 .03589
	MgM2 .3743 .4852 .3617 .893 .03947
	FeM2 .3743 .4852 .3617 .087 .03947
	SiA .2707 .3472 .0590 .01273
	SiB .4744 .3376 .7791 .97 .01273
	AlB .4744 .3376 .7791 .03 .01273
	O1A .1849 .3408 .0471 .01450
	O1B .5622 .3409 .7890 .01450
	O2A .3104 .5058 .0446 .01450
	O2B .4320 .4916 .7012 .01450
	O3A .3022 .2333 -.1700 .01450
	O3B .4494 .2033 .5835 .01450
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	Enstatite
	Gatta G D, Rinaldi R, Knight K S, Molin G, Artioli G
	Physics and Chemistry of Minerals 34 (2007) 185-200
	High temperature structural and thermoelastic behaviour of mantle
	orthopyroxene: an in situ neutron powder diffraction study
	Sample: T = 150 C
	_database_code_amcsd 0009068
	18.2513 8.8274 5.1929 90 90 90 Pbca
	atom x y z occ Uiso
	MgM1 .3793 .6526 .8682 .972 .00709
	FeM1 .3793 .6526 .8682 .018 .00709
	MgM2 .3745 .4876 .3531 .848 .00974
	FeM2 .3745 .4876 .3531 .132 .00974
	SiA .2694 .3475 .0505 .00361
	SiB .4729 .3354 .7952 .97 .00361
	AlB .4729 .3354 .7952 .03 .00361
	O1A .1832 .3374 .0381 .00447
	O1B .5617 .3426 .7963 .00447
	O2A .3094 .5056 .0372 .00447
	O2B .4318 .4858 .6893 .00447
	O3A .3044 .2255 -.1702 .00447
	O3B .4474 .1976 .6020 .00447
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	Enstatite
	Warren B, Modell D
	Zeitschrift fur Kristallographie 75 (1930) 1-14
	The structure of enstatite, MgSiO3
	_database_code_amcsd 0018104
	18.2 8.86 5.2 90 90 90 Pbca
	atom x y z occ
	Mg1 .13 .33 .37 .7
	Mg2 .13 -.04 .37 .7
	Fe1 .13 .33 .37 .3
	Fe2 .13 -.04 .37 .3
	Si1 .03 -.35 .29
	Si2 .22 -.15 .04
	O1 .06 .14 .2
	O2 .06 .5 .2
	O3 .05 -.25 .05
	O4 .19 .35 .06
	O5 .19 .01 .05
	O6 .2 -.25 .3
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	Enstatite
	Morimoto N, Koto K
	Zeitschrift fur Kristallographie 129 (1969) 65-83
	The crystal structure of orthoenstatite
	Locality: Bishopville meteorite
	_database_code_amcsd 0010680
	18.210 8.812 5.178 90 90 90 Pbca
	atom x y z Biso
	Mg1 .3760 .6544 .8663 .69
	Mg2 .3769 .4854 .3609 .77
	SiA .2716 .3411 .0494 .56
	SiB .4740 .3373 .7988 .64
	O1A .1832 .3386 .0349 .69
	O2A .3118 .5022 .0430 .97
	O3A .3036 .2252 -.1698 1.14
	O1B .5628 .3382 .8009 .67
	O2B .4337 .4841 .6880 .71
	O3B .4470 .1961 .6004 .97
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	Enstatite
	Angel R J, Chopelas A, Ross N L
	Nature 358 (1992) 322-324
	Stability of high-density clinoenstatite at upper-mantle pressures
	Sample: P = 7.93 GPa
	_database_code_amcsd 0014680
	9.201 8.621 4.908 90 101.50 90 C2/c
	atom x y z Biso
	Si .2988 .0915 .2112 .29
	Mg1 0 .9057 .25 .37
	Mg2 0 .2742 .25 .57
	O1 .1215 .0914 .139 .4
	O2 .380 .2376 .367 .4
	O3 .357 .0613 .915 .3
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	Enstatite
	Takane K
	Proceedings of the Japan Academy 8 (1932) 308-311
	Crystal Structure of Bronzite from Chichi-jiama in the Bonin Islands
	_cod_database_code 1011018
	_database_code_amcsd 0017925
	18.15999 8.84 5.19 90 90 90 Pbca
	atom x y z occ
	Mg1 .125 .333 .375 .845
	Fe1 .125 .333 .375 .155
	Mg2 .125 -.042 .375 .845
	Fe2 .125 -.042 .375 .155
	Si1 .022 -.347 .292
	Si2 .228 -.153 .042
	O1 .061 .125 .208
	O2 .061 .514 .208
	O3 .042 -.25 .042
	O4 .189 .378 .042
	O5 .189 0 .042
	O6 .208 -.25 .292
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