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Ferri-ghoseite |
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Oberti R, Ghose S |
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European Journal of Mineralogy 5 (1993) 1153-1160 |
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Crystal-chemistry of a complex Mn-bearing alkali amphibole |
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("tirodite") on the verge of exsolution |
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_database_code_amcsd 0006506 |
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9.704 17.990 5.297 90 103.51 90 C2/m |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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NaA 0 .5 0 .1 6.29 .0121 .0080 .0550 0 .0234 0 |
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KA 0 .5 0 .01 6.29 .0121 .0080 .0550 0 .0234 0 |
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NaAm .0559 .5 .1201 .1 2.55 .0070 .0020 .0282 0 .0073 0 |
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KAm .0559 .5 .1201 .01 2.55 .0070 .0020 .0282 0 .0073 0 |
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FeM1 0 .0881 .5 .144 .60 .0020 .0005 .0047 0 .0011 0 |
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MgM1 0 .0881 .5 .768 .60 .0020 .0005 .0047 0 .0011 0 |
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LiM1 0 .0881 .5 .012 .60 .0020 .0005 .0047 0 .0011 0 |
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MnM1 0 .0881 .5 .076 .60 .0020 .0005 .0047 0 .0011 0 |
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FeM2 0 .1802 0 .144 .54 .0015 .0005 .0047 0 .0008 0 |
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MgM2 0 .1802 0 .768 .54 .0015 .0005 .0047 0 .0008 0 |
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LiM2 0 .1802 0 .012 .54 .0015 .0005 .0047 0 .0008 0 |
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MnM2 0 .1802 0 .076 .54 .0015 .0005 .0047 0 .0008 0 |
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FeM3 0 0 0 .144 .55 .0021 .0003 .0045 0 .0008 0 |
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MgM3 0 0 0 .768 .55 .0021 .0003 .0045 0 .0008 0 |
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LiM3 0 0 0 .012 .55 .0021 .0003 .0045 0 .0008 0 |
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MnM3 0 0 0 .076 .55 .0021 .0003 .0045 0 .0008 0 |
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CaM4 0 .2717 .5 .097 1.36 .0038 .0013 .0118 0 .0042 0 |
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NaM4 0 .2717 .5 .217 1.36 .0038 .0013 .0118 0 .0042 0 |
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MnM4 0 .2717 .5 .142 1.36 .0038 .0013 .0118 0 .0042 0 |
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MgM4 0 .2717 .5 .042 1.36 .0038 .0013 .0118 0 .0042 0 |
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CaM4' 0 .2598 .5 .097 .72 |
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NaM4' 0 .2598 .5 .217 .72 |
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MnM4' 0 .2598 .5 .142 .72 |
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MgM4' 0 .2598 .5 .042 .72 |
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SiT1 .2833 .0850 .2884 .985 .45 .0013 .0003 .0039 .0000 .0004 .0000 |
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AlT1 .2833 .0850 .2884 .0137 .45 .0013 .0003 .0039 .0000 .0004 .0000 |
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SiT2 .2912 .1707 .7964 .985 .50 .0015 .0004 .0041 -.0001 .0004 .0000 |
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AlT2 .2912 .1707 .7964 .0137 .50 .0015 .0004 .0041 -.0001 .0004 .0000 |
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O1 .1126 .0869 .2131 .058 .0014 .0006 .0050 -.0001 .0006 -.0002 |
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O2 .1197 .1705 .7275 .70 .0020 .0006 .0060 .0000 .0008 -.0001 |
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O3 .1102 0 .7108 .8 .74 .0019 .0006 .0070 0 .0011 0 |
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F .1102 0 .7108 .2 .74 .0019 .0006 .0070 0 .0011 0 |
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O4 .3670 .2489 .7902 .98 .0032 .0006 .0094 -.0005 .0005 .0003 |
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O5 .3497 .1312 .0810 .84 .0019 .0009 .0066 -.0001 .0010 .0010 |
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O6 .3450 .1194 .5769 .89 .0020 .0010 .0062 .0000 .0004 -.0009 |
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O7 .3398 0 .2889 .91 .0024 .0004 .0133 0 .0014 0 |
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H .1936 0 .7526 .8 1.31 |
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View JMOL 3-D Structure (permalink)
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