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Gamagarite Mineral Data
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General Gamagarite Information
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 Chemical Formula: |
Ba2(Fe+++,Mn+++)(VO4)2(OH) |
| Composition: |
Molecular Weight = 577.16 gm |
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Barium 47.59 % Ba 53.13 % BaO |
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Manganese 2.38 % Mn 3.42 % Mn2O3 |
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Vanadium 17.65 % V 31.51 % V2O5 |
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Iron 7.26 % Fe 10.38 % Fe2O3 |
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Hydrogen 0.17 % H 1.56 % H2O |
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Oxygen 24.95 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Ba2Fe3+0.75Mn3+0.25(VO4)2(OH) |
| Environment: |
Banded manganese ore replacing shale. |
| IMA Status: |
Valid Species (Pre-IMA) 1943 |
| Locality: |
Along Gamagara Ridge, on Gloucester Farm, about 27 km north of Postmasburg, Cape Province, South Africa. Link to MinDat.org Location Data. |
| Name Origin: |
Named for the locality. |
| Name Pronunciation: |
Gamagarite + Pronunciation  |
| Synonym: |
ICSD 68348 |
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PDF 41-1413 |
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