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Ferroindialite |
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Chukanov N V, Aksenov S M, Pekov I V, Ternes B, Schuller W, Belakovskiy D I, |
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Van K V, Blass G |
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Geology of Ore Deposits 56 (2014) 637-643 |
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Ferroindialite (Fe2+,Mg)2Al4Si5O18, a new beryl-group mineral from the Eifel |
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volcanic region, Germany |
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Locality: Caspar basalt quarry, Eifel volcanic district, Germany |
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_database_code_amcsd 0020462 |
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9.8759 9.8759 9.3102 90 90 120 P6/mcc |
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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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K1 0 0 .5 .06 .023 .020 .020 .03 .010 0 0 |
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Na1 0 0 .5 .03 .023 .020 .020 .03 .010 0 0 |
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Fe2+1 2/3 1/3 .25 .575 .0084 .0088 .0088 .0077 .0044 0 0 |
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Mg1 2/3 1/3 .25 .425 .0084 .0088 .0088 .0077 .0044 0 0 |
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Al1 .5 0 1/3 .46 .0091 .0101 .0088 .0081 .0044 0 0 |
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Fe3+1 .5 0 1/3 .04 .0091 .0101 .0088 .0081 .0044 0 0 |
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Si1 .3703 .1040 0 .82333 .0097 .0149 .0094 .0070 .0078 0 0 |
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Al2 .3703 .1040 0 .17667 .0097 .0149 .0094 .0070 .0078 0 0 |
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O1 .3124 .2320 0 .0238 .029 .034 .0194 .024 0 0 |
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O2 .4821 .1326 .1452 .0139 .0180 .0158 .0109 .0108 -.0063 -.0036 |
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