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Kapitsaite-(Y) Mineral Data
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General Kapitsaite-(Y) Information
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 Chemical Formula: |
(Ba,K,Pb,Na)4(Y,Ca,REE)2[Si8B2(B,Si)2O28F] |
| Composition: |
Molecular Weight = 1,419.80 gm |
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Potassium 0.83 % K 1.00 % K2O |
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Barium 33.85 % Ba 37.80 % BaO |
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Sodium 0.16 % Na 0.22 % Na2O |
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Calcium 1.98 % Ca 2.76 % CaO |
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La,Ce,Pr,Nd,Sm, 2.03 % RE 2.37 % REE2O3 |
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Yttrium 6.26 % Y 7.95 % Y2O3 |
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Silicon 16.42 % Si 35.12 % SiO2 |
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Boron 2.66 % B 8.58 % B2O3 |
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Lead 2.92 % Pb 3.14 % PbO |
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Oxygen 31.55 % O |
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Fluorine 1.34 % F 1.34 % F |
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- %
F -0.56 % -O=F2 |
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______ ______ |
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100.00 % 99.72 % = TOTAL OXIDE |
| Empirical Formula: |
Ba3.5K0.3Pb0.2YCa0.7Na0.1REE0.2Si8.3B3.5O28F |
| Environment: |
Found in a boulder of perialkaline pegmatite. The Y-dominant analogue of hyalotekite. |
| IMA Status: |
Approved IMA 1998, Dana # Added |
| Locality: |
Moraine of the Dara-i-Pioz glacier in the Alaiskii mountain range, Tien-Shan, northern Tajikistan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for P. L. Kapitsa (1894-1984), Russian physicist. |
| Synonym: |
IMA1998-057 |
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