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Omongwaite Mineral Data
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General Omongwaite Information
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 Chemical Formula: |
Na2Ca5(SO4)6•3H2O |
| Composition: |
Molecular Weight = 880.31 gm |
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Potassium 2.62 % K 3.16 % K2O |
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Sodium 3.84 % Na 5.17 % Na2O |
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Calcium 21.67 % Ca 30.32 % CaO |
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Hydrogen 0.69 % H 6.14 % H2O |
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Sulfur 22.11 % S 55.21 % SO3 |
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Oxygen 49.07 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na1.47K0.59Ca4.76S6.07O24•3(H2O) |
| Environment: |
Found in inclusions in gypsum crystals in recent salt lake deposits. Related to bassanite. |
| IMA Status: |
Approved IMA 2005 (Dana # Added) |
| Locality: |
Omongwa (salt) pan, near Aminuis, 140 km SSE of Gobabis, southwestern Kalahari, Namibia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality |
| Synonym: |
IMA2003-054b |
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