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Pseudosinhalite Mineral Data
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General Pseudosinhalite Information
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 Chemical Formula: |
Mg2Al3B2O9(OH) |
| Composition: |
Molecular Weight = 312.18 gm |
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Magnesium 15.57 % Mg 25.82 % MgO |
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Aluminum 25.93 % Al 48.99 % Al2O3 |
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Boron 6.93 % B 22.30 % B2O3 |
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Hydrogen 0.32 % H 2.89 % H2O |
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Oxygen 51.25 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mg2Al3B2O9(OH) |
| Environment: |
Associated with hydrotalcite and occurs at the Tayozhnoye Fe-B skarn as a toptactic, retrograde replacement of sinhalite in metasomatized marble. |
| IMA Status: |
Approved IMA 1999 (Dana # Added) |
| Locality: |
Aldan Shield, southern Sakha - Yakutia Republic, Russian Federation. Link to MinDat.org Location Data. |
| Name Origin: |
The name alludes to the optical, chemical, and structural similarity to sinhalite. |
| Name Pronunciation: |
Pseudosinhalite + Pronunciation  |
| Synonym: |
IMA1997-014 |
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