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Betpakdalite Mineral Data
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General Betpakdalite Information
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 Chemical Formula: |
[Mg(H2O)6]Ca2(H2O)13[Mo++++++8As+++++2Fe+++3O36(OH)]•4(H2O) |
| Composition: |
Molecular Weight = 2,196.70 gm |
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Calcium 3.65 % Ca 5.11 % CaO |
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Magnesium 1.11 % Mg 1.83 % MgO |
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Iron 7.63 % Fe 10.90 % Fe2O3 |
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Molybdenum 34.94 % Mo 52.42 % MoO3 |
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Arsenic 6.82 % As 10.46 % As2O5 |
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Hydrogen 2.16 % H 19.27 % H2O |
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Oxygen 43.70 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
MgCa2Mo8As2Fe3+3O36(OH)•23(H2O) |
| Environment: |
Oxidized Mo-As-Fe ores. |
| IMA Status: |
Approved IMA 1961 |
| Locality: |
Bet-Pak-Dal desert, Kazakhstan. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Betpakdalite + Pronunciation  |
| Synonym: |
ICSD 30798 |
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PDF 37-434 |
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