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Hydroxyledgrewite |
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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 0019558 |
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5.0672 11.3545 15.3941 100.587 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 .00884 .00786 .01119 .00793 .00046 -.00111 .00293 |
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Ca2 .49509 .946623 .273691 .00896 .00786 .01000 .00823 .00077 .00119 -.00042 |
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Ca3 .00492 .136528 .172791 .00835 .00902 .00734 .00887 .00047 -.00022 .00193 |
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Ca4 .50779 .254077 .388989 .00798 .00870 .00686 .00835 -.00025 -.00018 .00133 |
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Ca5 .49252 .871677 .042505 .00889 .00966 .00912 .00793 .00025 -.00081 .00165 |
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Si1 .07117 .06837 .389501 .00639 .00570 .00672 .00670 .00009 -.00008 .00109 |
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Si2 .07545 .17905 .834060 .00666 .00596 .00678 .00712 .00000 .00019 .00099 |
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O1 .75075 .06615 .38795 .00930 .0063 .0113 .0104 .0003 -.0003 .0021 |
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O2 .29857 .43467 .38816 .00824 .0083 .0068 .0097 -.0002 .0000 .0016 |
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O3 .20261 .11343 .30367 .00882 .0087 .0100 .0083 -.0005 .0002 .0030 |
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O4 .20156 .15466 .47629 .00917 .0089 .0092 .0089 -.0005 -.0002 .0003 |
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O5 .25522 .32029 .16366 .00967 .0068 .0104 .0117 .0000 -.0005 .0019 |
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O6 .79505 .95277 .16192 .00910 .0097 .0070 .0105 .0001 .0003 .0014 |
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O7 .70380 .28052 .25421 .00910 .0093 .0099 .0083 .0006 .0000 .0024 |
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O8 .70743 .23048 .08132 .00904 .0087 .0091 .0086 .0001 .0001 -.0002 |
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O9 .2309 .04123 .0463 .608 .0100 |
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F9 .2672 .0464 .0594 .392 .0100 |
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H1 .091 -.012 .023 .60 .22 |
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View JMOL 3-D Structure (permalink)
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