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Volkovskite Mineral Data
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General Volkovskite Information
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 Chemical Formula: |
KCa4[B5O8(OH)4][B(OH)3]Cl•4(H2O) |
| Composition: |
Molecular Weight = 618.83 gm |
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Potassium 6.32 % K 7.61 % K2O |
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Calcium 25.91 % Ca 36.25 % CaO |
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Boron 10.48 % B 33.75 % B2O3 |
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Hydrogen 2.44 % H 21.83 % H2O |
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Chlorine 5.73 % Cl 5.73 % Cl |
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- %
Cl -1.29 % -O=Cl2 |
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Oxygen 49.12 % O |
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______ ______ |
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100.00 % 103.88 % = TOTAL OXIDE |
| Empirical Formula: |
KCa4B6O8(OH)7Cl•4(H2O) |
| Environment: |
Found in water-insoluble residues from salt domes and potash deposits. |
| IMA Status: |
Approved IMA 1966 |
| Locality: |
Inder borate deposit, Kazakhstan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for A.I. Volkovskaya, petrographer, who first noted the mineral. |
| Synonym: |
ICSD 39637 |
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PDF 18-1460 |
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