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Mathiasite Mineral Data
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General Mathiasite Information
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 Chemical Formula: |
(K,Ca,Sr)(Ti,Cr,Fe,Mg)21O38 |
| Composition: |
Molecular Weight = 1,682.56 gm |
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Potassium 1.39 % K 1.68 % K2O |
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Strontium 0.52 % Sr 0.62 % SrO |
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Calcium 0.71 % Ca 1.00 % CaO |
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Magnesium 0.72 % Mg 1.20 % MgO |
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Titanium 36.99 % Ti 61.72 % TiO2 |
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Chromium 18.54 % Cr 24.25 % CrO |
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Iron 4.98 % Fe 6.41 % FeO |
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Oxygen 36.13 % O |
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______ ______ |
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100.00 % 96.86 % = TOTAL OXIDE |
| Empirical Formula: |
K0.6Ca0.3Sr0.1Ti13Cr6Fe2+1.5Mg0.5O38 |
| Environment: |
In kimberlite. |
| IMA Status: |
Approved IMA 1983 |
| Locality: |
Jagersfontein mine, Orange Free State, South Africa. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Frances Celia Morna Mathias (1913-), British-South African geochemist, University of Capetown, South Africa. |
| Name Pronunciation: |
Mathiasite + Pronunciation  |
| Synonym: |
ICSD 35353 |
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PDF 46-1468 |
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