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Natroapophyllite |
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Miura Y, Kato T, Rucklidge J C, Matsueda H |
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American Mineralogist 66 (1981) 410-423 |
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Natroapophyllite, a new orthorhombic sodium analog of apophyllite |
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II. Crystal structure |
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_database_code_amcsd 0000829 |
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8.875 8.881 15.79 90 90 90 Pnnm |
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atom x y z Biso |
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Si1 .2289 .0833 .1890 1.12 |
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Si2 .4161 .2708 .3108 1.13 |
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Ca1 .1143 .2465 0 1.20 |
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Ca2 .7537 .1148 0 1.25 |
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Na 0 0 .5 2.84 |
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F 0 0 0 1.87 |
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O1 .3671 .1322 .2513 1.36 |
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O2 .0882 .1902 .2162 1.63 |
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O21 .3099 .4123 .2839 1.59 |
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O3 .2696 .0987 .0921 1.75 |
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O31 .4016 .2305 .4079 1.66 |
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O4 .2286 .4505 .0887 2.45 |
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O41 .5502 .2253 .0890 2.70 |
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H1 .47 .17 .05 1.60 |
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H11 .17 .54 .08 1.40 |
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H2 .16 .43 .14 0.80 |
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H21 .56 .31 .14 3.20 |
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