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Karchevskyite Mineral Data
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General Karchevskyite Information
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 Chemical Formula: |
[Mg18Al9(OH)54][Sr2(CO3,PO4)9(H2O,H3O)11] |
| Composition: |
Molecular Weight = 2,507.53 gm |
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Strontium 6.25 % Sr 7.40 % SrO |
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Calcium 0.14 % Ca 0.20 % CaO |
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Magnesium 17.91 % Mg 29.70 % MgO |
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Aluminum 9.68 % Al 18.30 % Al2O3 |
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Phosphorus 0.57 % P 1.30 % P2O5 |
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Hydrogen 3.20 % H 28.60 % H2O |
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Carbon 3.96 % C 14.50 % CO2 |
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Oxygen 58.28 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg18Al9OH54Sr1.79Mg0.48Ca0.09(CO3)8.26(PO4)0.46(H2O)6.54(H3O)4.18 |
| Environment: |
Late-stage hydrothermal mineral in an Iron open pit. Layered double hydroxide. |
| IMA Status: |
Approved IMA 2005 (Dana # Added) |
| Locality: |
Zhelezny mine, Kovdor carbonatite massif, Kola Peninsula, Russia Link to MinDat.org Location Data. |
| Name Origin: |
Named for Pavel Karchevsky (1976-2002), Russian mineralogist who made a significant contribution to the study of carbonatites. |
| Synonym: |
IMA2005-015a |
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