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Ferroglaucophane |
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Hawthorne F C |
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The Canadian Mineralogist 17 (1979) 1-10 |
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The crystal chemistry of the amphiboles. X. Refinement of the crystal |
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structure of ferroglaucophane and an ideal polyhedral model for |
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clinoamphiboles |
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_database_code_amcsd 0005158 |
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9.587 17.832 5.315 90 103.47 90 C2/m |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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O1 .1089 .0947 .2016 .0017 .0006 .0055 -.0001 .0001 .0001 |
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O2 .1178 .1730 .7478 .0018 .0005 .0043 -.0001 .0006 -.0000 |
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O3 .1129 0 .7077 .0028 .0007 .0070 0 .0010 0 |
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O4 .3695 .2520 .8064 .0025 .0005 .0058 -.0002 .0013 -.0001 |
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O5 .3550 .1307 .0884 .0019 .0007 .0058 -.0002 .0008 .0007 |
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O6 .3398 .1224 .5793 .0022 .0008 .0047 .0001 .0005 -.0006 |
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O7 .3288 0 .3022 .0030 .0004 .0090 0 .0006 0 |
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SiT1 .2824 .08732 .2922 .99 .0017 .0003 .0031 .0000 .0004 .0000 |
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AlT1 .2824 .08732 .2922 .01 .0017 .0003 .0031 .0000 .0004 .0000 |
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SiT2 .2926 .17268 .8079 .99 .0016 .0003 .0032 -.0001 .0004 -.0000 |
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AlT2 .2926 .17268 .8079 .01 .0016 .0003 .0032 -.0001 .0004 -.0000 |
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FeM1 0 .09176 .5 .585 .0023 .0004 .0041 0 .0009 0 |
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MgM1 0 .09176 .5 .348 .0023 .0004 .0041 0 .0009 0 |
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AlM1 0 .09176 .5 .067 .0023 .0004 .0041 0 .0009 0 |
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FeM2 0 .18168 0 .156 .0019 .0004 .0050 0 .0006 0 |
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AlM2 0 .18168 0 .844 .0019 .0004 .0050 0 .0006 0 |
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FeM3 0 0 0 .795 .0025 .0003 .0048 0 .0006 0 |
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MgM3 0 0 0 .205 .0025 .0003 .0048 0 .0006 0 |
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NaM4 0 .2772 .5 .86 .0049 .0008 .0122 0 .0040 0 |
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CaM4 0 .2772 .5 .075 .0049 .0008 .0122 0 .0040 0 |
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MgM4 0 .2772 .5 .065 .0049 .0008 .0122 0 .0040 0 |
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