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Spurrite |
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Smith J V, Karle I L, Hauptman H, Karle J |
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Acta Crystallographica 13 (1960) 454-458 |
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The crystal structure of spurrite, Ca5(SiO4)2CO3. |
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II. Description of structure |
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Locality: contact zone at Scawt Hill, North Ireland |
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_database_code_amcsd 0009239 |
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10.49 6.705 14.16 90 101.317 90 P2_1/a |
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atom x y z |
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Ca1 .140 .661 .072 |
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Ca2 .033 .240 .612 |
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Ca3 .239 .061 .455 |
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Ca4 .044 .990 .830 |
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Ca5 .133 .507 .826 |
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Si1 .135 .221 .056 |
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Si2 .025 .750 .604 |
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C .185 .695 .285 |
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O1 .124 .237 .938 |
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O2 .141 .995 .098 |
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O3 .008 .334 .083 |
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O4 .263 .333 .106 |
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O5 .883 .153 .468 |
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O6 .890 .427 .335 |
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O7 .024 .072 .330 |
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O8 .098 .340 .468 |
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O9 .283 .696 .235 |
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O10 .073 .685 .230 |
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O11 .211 .712 .372 |
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