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Kornite Mineral Data
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General Kornite Information
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 Chemical Formula: |
Na(CaNa)Fe++4(Al,Fe+++)Si7AlO22(OH)2 |
| Composition: |
Molecular Weight = 953.22 gm |
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Sodium 4.82 % Na 6.50 % Na2O |
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Calcium 4.20 % Ca 5.88 % CaO |
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Aluminum 4.95 % Al 9.36 % Al2O3 |
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Iron 24.90 % Fe 30.15 % FeO / 2.09 % Fe2O3 |
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Silicon 20.62 % Si 44.12 % SiO2 |
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Hydrogen 0.21 % H 1.89 % H2O |
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Oxygen 40.28 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2CaFe2+4Al0.75Fe3+0.25(Si7AlO22)(OH)2 |
| IMA Status: |
Approved IMA 1993 |
| Locality: |
Wessels mine, Kalahari manganese field, South Africa. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Hermann Korn (b1946), German geologist who lived in South Africa. |
| Name Pronunciation: |
Kornite  |
| Synonym: |
IMA1992-032 |
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