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Stellerite |
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Sacerdoti M, Gomedi I |
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Bulletin de Mineralogie 107 (1984) 799-804 |
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Crystal structural refinement of Ca-exchanged barrerite |
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Note: made from natural barrierite in the lab |
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Locality: Capo Pula, Sardegna, Italy |
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_database_code_amcsd 0012083 |
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13.610 18.214 17.833 90 90 90 Fmmm |
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atom x y z occ Uiso |
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Ca .5 0 .2908 .92 .054 |
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Si1 .3861 .3071 .3768 .764 .019 |
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Al1 .3861 .3071 .3768 .236 .019 |
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Si3 .3018 .4113 .5 .764 .019 |
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Al3 .3018 .4113 .5 .236 .019 |
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Si4 .3886 .1832 .5 .764 .017 |
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Al4 .3886 .1832 .5 .236 .017 |
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Si5 .25 .25 .25 .764 .022 |
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Al5 .25 .25 .25 .236 .022 |
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O1 .3181 .3036 .3008 .039 |
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O3 .3714 .2319 .4253 .038 |
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O4 .3569 .3803 .4240 .041 |
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O7 .5 .3154 .3483 .034 |
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O8 .3145 .1129 .5 .036 |
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O9 .3059 .5 .5 .037 |
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O10 .5 .1501 .5 .031 |
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Wat1 .3722 .0884 .3129 .54 .241 |
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Wat2 .5 .1279 .2367 .92 .127 |
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Wat3 .4542 0 .4230 .57 .117 |
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Wat4 .3673 0 .3781 .26 .102 |
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Wat5 .4233 .5 .3336 .32 .065 |
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Wat6 .3655 .5 .3101 .56 .126 |
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Wat7 .3052 .0546 .2859 .31 .188 |
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Wat8 .5 .5 .3463 .39 .083 |
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