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Richterite Mineral Data
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General Richterite Information
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 Chemical Formula: |
Na(CaNa)(Mg,Fe++)5[Si8O22](OH)2 |
| Composition: |
Molecular Weight = 881.35 gm |
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Sodium 5.22 % Na 7.03 % Na2O |
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Calcium 4.55 % Ca 6.36 % CaO |
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Magnesium 8.27 % Mg 13.72 % MgO |
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Iron 12.67 % Fe 16.30 % FeO |
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Silicon 25.49 % Si 54.54 % SiO2 |
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Hydrogen 0.23 % H 2.04 % H2O |
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Oxygen 43.57 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Na2CaMg3Fe2+2(Si8O22)(OH)2 |
| IMA Status: |
Valid Species (Pre-IMA) 1865 |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as per current IMA amphibole nomenclature (Burke and Leake 2004; Can. Mineral., 42, 1881-1883). |
| Name Pronunciation: |
Richterite + Pronunciation  |
| Synonym: |
ICSD 72080 |
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PDF 25-808 |
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