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Kostylevite Mineral Data
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General Kostylevite Information
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 Chemical Formula: |
K2ZrSi3O9•(H2O) |
| Composition: |
Molecular Weight = 415.69 gm |
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Potassium 18.81 % K 22.66 % K2O |
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Zirconium 21.95 % Zr 29.64 % ZrO2 |
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Silicon 20.27 % Si 43.36 % SiO2 |
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Hydrogen 0.48 % H 4.33 % H2O |
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Oxygen 38.49 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
K2•(H2O)ZrSi3O9 |
| Environment: |
Alkalic pegmatite intergrown with umbite and wadeite. |
| IMA Status: |
Approved IMA 1983 |
| Locality: |
Yuonnemiok River Valley, eastern Khibiny Massif, Kola Peninsula, Russa. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Yekaterina Eutikhievna Kostyleva-Labuntsova (1894-1974), Russian Mineralogist. |
| Name Pronunciation: |
Kostylevite + Pronunciation  |
| Synonym: |
ICSD 20147 |
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PDF 37-459 |
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