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Edgrewite |
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Galuskin E V, Lazic B, Armbruster T, Galuskina I O, Pertsev N N, Gazeev V M, |
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Wlodyka R, Dulski M, Dzierzanowski P, Zadov A E, Dubrovinsky L S |
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American Mineralogist 97 (2012) 1998-2006 |
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Edgrewite Ca9(SiO4)4F2-hydroxyledgrewite Ca9(SiO4)4(OH)2, a new series |
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of calcium humite-group minerals from altered xenoliths in the ignimbrite |
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of Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia |
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Locality: Upper Chegem caldera, Northern Caucasus, Kabardino-Balkaria, Russia |
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_database_code_amcsd 0019557 |
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5.0687 11.3579 15.4004 100.598 90 90 P2_1/b |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ca1 .5 0 .5 .00692 .0044 .0098 .0075 .0002 -.0010 .0039 |
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Ca2 .49508 .94666 .27370 .00698 .00458 .0082 .00785 .00077 .00088 .00066 |
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Ca3 .00478 .13653 .17283 .00645 .00553 .00596 .00842 .00040 -.00017 .00282 |
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Ca4 .50769 .25407 .38901 .00606 .00513 .00561 .00779 -.00014 -.00006 .00211 |
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Ca5 .49245 .87168 .04256 .00696 .00614 .0075 .00770 .00003 -.00082 .00270 |
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Si1 .07123 .06835 .38955 .00430 .0017 .0053 .0064 -.00007 -.00003 .0024 |
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Si2 .07549 .17901 .83411 .00466 .0023 .0052 .0070 .00021 .00012 .0026 |
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O1 .7511 .06609 .38803 .0074 .0032 .0092 .0101 -.0002 -.0005 .0027 |
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O2 .2986 .43501 .38809 .0062 .0054 .0047 .0092 -.0003 .0004 .0035 |
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O3 .2028 .11311 .30359 .0070 .0059 .0082 .0078 -.0007 .0004 .0038 |
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O4 .2017 .15466 .47638 .0073 .0054 .0090 .0077 .0002 .0001 .0016 |
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O5 .2550 .32030 .16362 .0075 .0044 .0077 .0113 .0000 -.0001 .0041 |
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O6 .7950 .95261 .16185 .0068 .0071 .0041 .0100 .0002 .0011 .0031 |
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O7 .7041 .28081 .25414 .0073 .0061 .0078 .0087 .0007 -.0002 .0033 |
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O8 .7073 .23059 .08118 .0067 .0059 .0079 .0065 .0001 -.0002 .0023 |
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O9 .2285 .0404 .0445 .52 .0092 |
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F9 .2619 .0459 .0585 .48 .0092 |
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View JMOL 3-D Structure (permalink)
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