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Yakhontovite Mineral Data
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General Yakhontovite Information
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 Chemical Formula: |
(Ca,K)0.5(Cu,Fe+++,Mg)2Si4O10(OH)2•3(H2O) |
| Composition: |
Molecular Weight = 427.29 gm |
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Potassium 0.09 % K 0.11 % K2O |
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Calcium 1.88 % Ca 2.62 % CaO |
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Magnesium 3.98 % Mg 6.60 % MgO |
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Iron 10.46 % Fe 14.95 % Fe2O3 |
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Copper 11.90 % Cu 13.40 % Cu2O |
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Silicon 26.29 % Si 56.25 % SiO2 |
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Hydrogen 0.47 % H 4.22 % H2O |
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Oxygen 44.93 % O |
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______ ______ |
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100.00 % 98.15 % = TOTAL OXIDE |
| Empirical Formula: |
Ca0.2K0.01Cu0.8Fe3+0.8Mg0.7Si4O10(OH)2 |
| Environment: |
As veins and coatings in deeply oxidized sulfide-cassiterite ores. |
| IMA Status: |
Approved IMA 1986 |
| Locality: |
Komosomolsk region, "Far Eastern Region", Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Liiia KKonstantinovna Yakhontova I1926-), Russian mineralogist, University of Moscow, a specialist in cobalt deposits. |
| Name Pronunciation: |
Yakhontovite + Pronunciation  |
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