Leucite
	Mazzi F, Galli E, Gottardi G
	American Mineralogist 61 (1976) 108-115
	The crystal structure of tetragonal leucite
	_database_code_amcsd 0000496
	13.090 13.090 13.750 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	K .3660 .3645 .1147 .0039 .0046 .0090 -.0006 .0000 -.0015
	Al1 .0579 .3964 .1666 .32 .0015 .0010 .0013 -.0001 -.0001 -.0002
	Al2 .1676 .6115 .1283 .32 .0012 .0014 .0011 -.0002 -.0001 .0003
	Al3 .3924 .6418 .0860 .32 .0013 .0016 .0012 .0001 .0000 -.0002
	Si1 .0579 .3964 .1666 .68 .0015 .0010 .0013 -.0001 -.0001 -.0002
	Si2 .1676 .6115 .1283 .68 .0012 .0014 .0011 -.0002 -.0001 .0003
	Si3 .3924 .6418 .0860 .68 .0013 .0016 .0012 .0001 .0000 -.0002
	O1 .1318 .3131 .1100 .0042 .0025 .0033 .0000 .0006 -.0007
	O2 .0921 .5107 .1303 .0039 .0024 .0036 -.0012 .0001 .0002
	O3 .1453 .6798 .2275 .0033 .0030 .0016 -.0006 .0000 -.0001
	O4 .1333 .6841 .0354 .0029 .0033 .0018 .0015 .0005 .0007
	O5 .2900 .5772 .1205 .0023 .0025 .0035 .0007 -.0005 .0002
	O6 .4826 .6174 .1667 .0027 .0026 .0026 -.0007 .0000 .0005
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	Leucite
	Dove M T, Cool T, Palmer D C, Putnis A, Salje E K H, Winkler B
	American Mineralogist 78 (1993) 486-492
	On the role of Al-Si ordering in the cubic-tetragonal phase transition of
	leucite
	Sample is Disordered
	_database_code_amcsd 0001556
	12.988 12.988 13.800 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ
	K .3660 .3631 .1073
	Si1 .0563 .3971 .1671 2/3
	Al1 .0563 .3971 .1671 1/3
	Si2 .1668 .6115 .1269 2/3
	Al2 .1668 .6115 .1269 1/3
	Si3 .3929 .6407 .0848 2/3
	Al3 .3929 .6407 .0848 1/3
	O1 .1327 .3162 .1097
	O2 .0881 .5135 .1329
	O3 .1459 .6819 .2257
	O4 .1325 .6857 .0359
	O5 .2894 .5733 .1183
	O6 .4839 .6161 .1659
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	Leucite
	Dove M T, Cool T, Palmer D C, Putnis A, Salje E K H, Winkler B
	American Mineralogist 78 (1993) 486-492
	On the role of Al-Si ordering in the cubic-tetragonal phase transition of
	leucite
	Sample is Order model 1
	_database_code_amcsd 0001557
	12.931 12.931 13.812 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z
	K .3713 .3568 .1129
	Si1 .0556 .3960 .1681
	Al .1698 .6098 .1267
	Si2 .3978 .6361 .0844
	O1 .1296 .3154 .1097
	O2 .0867 .5076 .1328
	O3 .1429 .6857 .2281
	O4 .1299 .6868 .0320
	O5 .2994 .5700 .1183
	O6 .4899 .6167 .1636
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	Leucite
	Dove M T, Cool T, Palmer D C, Putnis A, Salje E K H, Winkler B
	American Mineralogist 78 (1993) 486-492
	On the role of Al-Si ordering in the cubic-tetragonal phase transition of
	leucite
	Sample is Order model 2
	_database_code_amcsd 0001558
	13.005 13.005 13.765 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ
	K .3618 .3619 .1197
	Si1 .0564 .3982 .1672 .5
	Al1 .0564 .3982 .1672 .5
	Si2 .1671 .6134 .1283 .75
	Al2 .1671 .6134 .1283 .25
	Si3 .3926 .6413 .0861 .75
	Al3 .3926 .6413 .0861 .25
	O1 .1352 .3168 .1117
	O2 .0902 .5159 .1330
	O3 .1471 .6816 .2284
	O4 .1352 .6887 .0388
	O5 .2898 .5758 .1209
	O6 .4838 .6175 .1663
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	Leucite
	Palmer D C, Dove M T, Ibberson R M, Powell B M
	American Mineralogist 82 (1997) 16-29
	Structural behavior, crystal chemistry and phase transitions in substituted
	leucites: High-resolution neutron powder diffraction studies
	Sample: Natural, Expt. no. 3003, T = 298 K, KAlSi2O6
	_database_code_amcsd 0001851
	13.05476 13.05476 13.75182 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	K .3659 .3637 .1169 .004371 .002963 .010549 -.000733 .000042 -.000794
	Si1 .0574 .3969 .1665 2/3 .000851 .000103 .000939 -.000073 .000613 -.000125
	Si2 .1675 .6116 .1287 2/3 .000352 .001232 .000106 -.000220 -.000306 .000585
	Si3 .3930 .6420 .0862 2/3 .000235 .000880 .000912 -.000264 -.000195 -.001058
	Al1 .0574 .3969 .1665 1/3 .000851 .000103 .000939 -.000073 .000613 -.000125
	Al2 .1675 .6116 .1287 1/3 .000352 .001232 .000106 -.000220 -.000306 .000585
	Al3 .3930 .6420 .0862 1/3 .000235 .000880 .000912 -.000264 -.000195 -.001058
	O1 .1324 .3141 .1099 .003711 .001863 .004217 .000865 .000487 -.000822
	O2 .0908 .5112 .1308 .003198 .002640 .002128 -.000733 -.000084 .000097
	O3 .1461 .6808 .2278 .002714 .001878 .001229 -.000205 .000668 -.000181
	O4 .1331 .6851 .0348 .002156 .003315 .001679 .000337 -.000056 .000780
	O5 .2889 .5756 .1204 .000997 .001672 .003001 .000044 .000529 -.000056
	O6 .4836 .6172 .1673 .001188 .001966 .001348 -.000073 -.000265 .000376
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	Leucite
	Palmer D C, Dove M T, Ibberson R M, Powell B M
	American Mineralogist 82 (1997) 16-29
	Structural behavior, crystal chemistry and phase transitions in substituted
	leucites: High-resolution neutron powder diffraction studies
	Sample: Expt. no. 2830, T = 298 K, RbAlSi2O6
	_database_code_amcsd 0001852
	13.29180 13.29180 13.74118 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	Rb .3654 .3636 .1221 .004882 .003736 .006527 -.000311 -.000370 -.000424
	Si1 .0643 .3926 .1656 2/3 .004429 .002986 .004859 .000665 .000739 -.000739
	Si2 .1684 .6060 .1283 2/3 .004740 .002759 .004277 -.001245 .000110 .000274
	Si3 .3911 .6447 .0864 2/3 .003750 .002519 .002396 -.000311 .000616 .000068
	Al1 .0643 .3926 .1656 1/3 .004429 .002986 .004859 .000665 .000739 -.000739
	Al2 .1684 .6060 .1283 1/3 .004740 .002759 .004277 -.001245 .000110 .000274
	Al3 .3911 .6447 .0864 1/3 .003750 .002519 .002396 -.000311 .000616 .000068
	O1 .1324 .3054 .1099 .003736 .003778 .002489 .000750 -.000068 .000411
	O2 .1039 .5015 .1265 .002519 .002858 .004051 .000071 .000520 .000287
	O3 .1398 .6729 .2260 .002307 .003495 .002807 .000028 -.000246 .000671
	O4 .1317 .6761 .0338 .001656 .001316 .002608 -.000552 .000014 -.000356
	O5 .2899 .5808 .1237 .000580 .000722 .001072 -.000283 .000548 .000329
	O6 .4822 .6174 .1638 .000934 .001075 .000821 .000127 .000014 -.001013
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	Leucite
	Palmer D C, Dove M T, Ibberson R M, Powell B M
	American Mineralogist 82 (1997) 16-29
	Structural behavior, crystal chemistry and phase transitions in substituted
	leucites: High-resolution neutron powder diffraction studies
	Sample: Expt. no. 2828, T = 298 K, CsAlSi2O6
	_database_code_amcsd 0001853
	13.6524 13.6524 13.7216 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Biso
	Cs .3701 .3698 .1238 2.63
	Si1 .0801 .3832 .1625 2/3 .72
	Si2 .1667 .5958 .1234 2/3 .43
	Si3 .3852 .6555 .0850 2/3 1.29
	Al1 .0801 .3832 .1625 1/3 .72
	Al2 .1667 .5958 .1234 1/3 .43
	Al3 .3852 .6555 .0850 1/3 1.29
	O1 .1347 .2883 .1084 2.02
	O2 .1289 .4814 .1160 2.39
	O3 .1183 .6502 .2204 2.24
	O4 .1274 .6577 .0300 2.57
	O5 .2874 .5923 .1293 2.32
	O6 .4764 .6160 .1540 2.51
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	Leucite
	Palmer D C, Dove M T, Ibberson R M, Powell B M
	American Mineralogist 82 (1997) 16-29
	Structural behavior, crystal chemistry and phase transitions in substituted
	leucites: High-resolution neutron powder diffraction studies
	Sample: Expt. no. 3757, T = 298 K, KFeSi2O6
	_database_code_amcsd 0001854
	13.20357 13.20357 13.95446 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	K .3650 .3624 .1162 .90 .012146 .002940 .013711 .000100 -.005889 -.004410
	Si1 .0579 .3964 .1665 2/3 .000516 .002280 .004018 .000000 -.000597 -.001221
	Si2 .1673 .6123 .1265 2/3 .001993 .003972 .000347 -.000832 -.000950 .000136
	Si3 .3905 .6444 .0843 2/3 .002696 .002854 .000783 -.000789 .000190 -.000611
	O1 .1310 .3155 .1087 .010124 .004718 .010797 -.001534 .001981 .000299
	O2 .0862 .5128 .1329 .004560 .008891 .006869 -.000803 -.001628 .000054
	O3 .1463 .6828 .2274 .005994 .004618 .005020 .001477 .002877 .000760
	O4 .1282 .6843 .0364 .004173 .008661 .003184 .000746 .001411 .001167
	O5 .2892 .5729 .1234 .005621 .003513 .005675 -.000832 .001058 -.002090
	O6 .4813 .6183 .1684 .002567 .005005 .006162 .002251 -.000787 -.000692
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	Leucite
	Gatta G D, Rotiroti N, Ballaran T B, Pavese A
	American Mineralogist 93 (2008) 1588-1596
	Leucite at high pressure: Elastic behavior, phase stability,
	and petrological implications
	Locality: Sabatini volcanic district, Lazium, Italy
	Note: P = 0.0001 GPa in air
	_database_code_amcsd 0004673
	13.084 13.084 13.784 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Uiso
	KK .3659 .3643 .1144 .948 .0642
	NaK .3659 .3643 .1144 .026 .0642
	FeT1 .0576 .3964 .1666 .003 .0242
	AlT1 .0576 .3964 .1666 .330 .0242
	SiT1 .0576 .3964 .1666 .667 .0242
	FeT2 .1678 .6114 .1284 .003 .0244
	AlT2 .1678 .6114 .1284 .330 .0244
	SiT2 .1678 .6114 .1284 .667 .0244
	FeT3 .3922 .6419 .0860 .003 .0237
	AlT3 .3922 .6419 .0860 .330 .0237
	SiT3 .3922 .6419 .0860 .667 .0237
	O1 .1328 .3144 .1105 .040
	O2 .0918 .5115 .1311 .036
	O3 .1460 .6806 .2274 .032
	O4 .1341 .6856 .0367 .036
	O5 .2896 .5752 .1201 .032
	O6 .4828 .6177 .1666 .031
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	Leucite
	Gatta G D, Rotiroti N, Ballaran T B, Pavese A
	American Mineralogist 93 (2008) 1588-1596
	Leucite at high pressure: Elastic behavior, phase stability,
	and petrological implications
	Locality: Sabatini volcanic district, Lazium, Italy
	Note: P = 0.0001 GPa in diamond cell
	_database_code_amcsd 0004674
	13.097 13.097 13.755 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Uiso
	KK .36444 .3632 .1146 .948 .063
	NaK .36444 .3632 .1146 .026 .063
	FeT1 .0586 .3966 .1668 .003 .012
	AlT1 .0586 .3966 .1668 .330 .012
	SiT1 .0586 .3966 .1668 .667 .012
	FeT2 .1683 .6101 .1281 .003 .012
	AlT2 .1683 .6101 .1281 .330 .012
	SiT2 .1683 .6101 .1281 .667 .012
	FeT3 .3925 .6417 .0870 .003 .012
	AlT3 .3925 .6417 .0870 .330 .012
	SiT3 .3925 .6417 .0870 .667 .012
	O1 .1342 .3125 .1114 .020
	O2 .0886 .5107 .1284 .020
	O3 .1441 .6773 .2274 .020
	O4 .1320 .6837 .0363 .020
	O5 .2899 .5756 .1221 .020
	O6 .4839 .6179 .1665 .020
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	Leucite
	Gatta G D, Rotiroti N, Ballaran T B, Pavese A
	American Mineralogist 93 (2008) 1588-1596
	Leucite at high pressure: Elastic behavior, phase stability,
	and petrological implications
	Locality: Sabatini volcanic district, Lazium, Italy
	Note: P = 0.38 GPa
	_database_code_amcsd 0004675
	13.053 13.053 13.732 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Uiso
	KK .3660 .3648 .1149 .948 .052
	NaK .3660 .3648 .1149 .026 .052
	FeT1 .0569 .3970 .1669 .003 .0094
	AlT1 .0569 .3970 .1669 .330 .0094
	SiT1 .0569 .3970 .1669 .667 .0094
	FeT2 .1690 .6105 .1273 .003 .0094
	AlT2 .1690 .6105 .1273 .330 .0094
	SiT2 .1690 .6105 .1273 .667 .0094
	FeT3 .3926 .6414 .0864 .003 .0094
	AlT3 .3926 .6414 .0864 .330 .0094
	SiT3 .3926 .6414 .0864 .667 .0094
	O1 .1308 .3137 .1103 .016
	O2 .0900 .5114 .1295 .016
	O3 .1438 .6794 .2261 .016
	O4 .1279 .6851 .0358 .016
	O5 .2896 .5725 .1197 .016
	O6 .4838 .6149 .1659 .016
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	Leucite
	Gatta G D, Rotiroti N, Ballaran T B, Pavese A
	American Mineralogist 93 (2008) 1588-1596
	Leucite at high pressure: Elastic behavior, phase stability,
	and petrological implications
	Locality: Sabatini volcanic district, Lazium, Italy
	Note: P = 1.20 GPa
	_database_code_amcsd 0004676
	12.955 12.955 13.684 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Uiso
	KK .3650 .3640 .1156 .948 .050
	NaK .3650 .3640 .1156 .026 .050
	FeT1 .0552 .3971 .1679 .003 .011
	AlT1 .0552 .3971 .1679 .330 .011
	SiT1 .0552 .3971 .1679 .667 .011
	FeT2 .1672 .6130 .1281 .003 .011
	AlT2 .1672 .6130 .1281 .330 .011
	SiT2 .1672 .6130 .1281 .667 .011
	FeT3 .3920 .6399 .0875 .003 .011
	AlT3 .3920 .6399 .0875 .330 .011
	SiT3 .3920 .6399 .0875 .667 .011
	O1 .1325 .3154 .1119 .016
	O2 .0884 .5126 .1311 .016
	O3 .1466 .6832 .2277 .016
	O4 .1314 .6876 .0359 .016
	O5 .2875 .5713 .1209 .016
	O6 .4843 .6156 .1678 .016
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	Leucite
	Gatta G D, Rotiroti N, Ballaran T B, Pavese A
	American Mineralogist 93 (2008) 1588-1596
	Leucite at high pressure: Elastic behavior, phase stability,
	and petrological implications
	Locality: Sabatini volcanic district, Lazium, Italy
	Note: P = 1.77 GPa
	_database_code_amcsd 0004677
	12.891 12.891 13.653 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Uiso
	KK .3648 .3636 .1171 .948 .043
	NaK .3648 .3636 .1171 .026 .043
	FeT1 .0543 .3994 .1670 .003 .012
	AlT1 .0543 .3994 .1670 .330 .012
	SiT1 .0543 .3994 .1670 .667 .012
	FeT2 .1663 .6132 .1289 .003 .012
	AlT2 .1663 .6132 .1289 .330 .012
	SiT2 .1663 .6132 .1289 .667 .012
	FeT3 .3921 .6401 .0867 .003 .012
	AlT3 .3921 .6401 .0867 .330 .012
	SiT3 .3921 .6401 .0867 .667 .012
	O1 .1339 .3174 .1118 .019
	O2 .0859 .5147 .1290 .019
	O3 .1479 .6847 .2280 .019
	O4 .1325 .6907 .0372 .019
	O5 .2873 .5714 .1178 .019
	O6 .4823 .6180 .1704 .019
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	Leucite
	Gatta G D, Rotiroti N, Ballaran T B, Pavese A
	American Mineralogist 93 (2008) 1588-1596
	Leucite at high pressure: Elastic behavior, phase stability,
	and petrological implications
	Locality: Sabatini volcanic district, Lazium, Italy
	Note: P = .0001 GPa in air after decompression
	_database_code_amcsd 0004678
	13.073 13.073 13.731 90 90 90 *I4_1/a
	0 .25 .125
	atom x y z occ Uiso
	KK .36560 .3642 .1138 .948 .0498
	NaK .36560 .3642 .1138 .026 .0498
	FeT1 .0574 .3964 .1669 .003 .0109
	AlT1 .0574 .3964 .1669 .330 .0109
	SiT1 .0574 .3964 .1669 .667 .0109
	FeT2 .1674 .6115 .1281 .003 .0101
	AlT2 .1674 .6115 .1281 .330 .0101
	SiT2 .1674 .6115 .1281 .667 .0101
	FeT3 .3925 .6417 .08628 .003 .0102
	AlT3 .3925 .6417 .08628 .330 .0102
	SiT3 .3925 .6417 .08628 .667 .0102
	O1 .1320 .3146 .1101 .0270
	O2 .0914 .5111 .1309 .0237
	O3 .1455 .6804 .2272 .0173
	O4 .1334 .6851 .0360 .0217
	O5 .2893 .5760 .1205 .0197
	O6 .4836 .6173 .1668 .0176
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	Leucite
	Peacor D R
	Zeitschrift fur Kristallographie 127 (1968) 213-224
	A high temperature single crystal diffractometer study of leucite, (K,Na)AlSi2O6
	Sample: T = 635 C
	Locality: Vesuvius, Italy
	Note: cell parameters were not reported in the paper. A value was chosen
	that reproduced the reported bond lengths and thermal ellipsoid axes.
	_database_code_amcsd 0010665
	13.53 13.53 13.53 90 90 90 Ia-3d
	atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
	K .125 .125 .125 .85 .021 .021 .021 .0022 .0022 .0022
	Na .125 .125 .125 .15 .021 .021 .021 .0022 .0022 .0022
	Al .125 .6622 .5878 1/3 .0035 .0039 .0039 .0005 .0005 .0000
	Si .125 .6622 .5878 2/3 .0035 .0039 .0039 .0005 .0005 .0000
	O .1033 .1322 .7200 .0137 .0113 .0051 .0041 .0032 .0005
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	Leucite
	Wyart M
	Bulletin de la Societe Francaise de Mineralogie 63 (1940) 5-17
	Etude cristallographique d'une leucite artificielle. Structure atomique
	et symetrie du mineral
	_cod_database_code 1010431
	_database_code_amcsd 0017354
	13.40 13.40 13.40 90 90 90 Ia3d
	atom x y z occ
	K .125 .125 .125
	Al .161 .089 .625 .33
	Si .161 .089 .625 .67
	O .111 .131 .722
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	Leucite high
	Wyart M
	Bulletin de la Societe Francaise de Mineralogie 63 (1940) 5-17
	Etude cristallographique d'une leucite artificielle. Structure atomique
	et symetrie du mineral
	_cod_database_code 1011086
	_database_code_amcsd 0017982
	13.43 13.43 13.43 90 90 90 Ia3d
	atom x y z occ
	K1 .125 .125 .125
	Al1 .161 .089 .625 .3333
	Si1 .161 .089 .625 .6667
	O1 .111 .161 .722
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