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Probertite Mineral Data
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General Probertite Information
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 Chemical Formula: |
NaCaB5O7(OH)4•3(H2O) |
| Composition: |
Molecular Weight = 351.19 gm |
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Sodium 6.55 % Na 8.82 % Na2O |
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Calcium 11.41 % Ca 15.97 % CaO |
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Boron 15.39 % B 49.56 % B2O3 |
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Hydrogen 2.87 % H 25.65 % H2O |
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Oxygen 63.78 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
NaCaB5O7(OH)4•3(H2O) |
| Environment: |
Kramer borate deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1929 |
| Locality: |
Boron, Kern Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Frank H. Probert (1876-1940), University of California, who discovered the mineral. |
| Name Pronunciation: |
Probertite + Pronunciation  |
| Synonym: |
ICSD 35245 |
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PDF 12-420 |
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