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Rosenhahnite Mineral Data
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General Rosenhahnite Information
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 Chemical Formula: |
Ca3Si3O8[(OH)2-4x,(CO3)x] |
| Composition: |
Molecular Weight = 370.80 gm |
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Calcium 32.43 % Ca 45.37 % CaO |
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Silicon 22.72 % Si 48.61 % SiO2 |
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Hydrogen 0.52 % H 4.62 % H2O |
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Carbon 0.32 % C 1.19 % CO2 |
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Oxygen 44.01 % O |
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______ ______ |
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100.00 % 99.78 % = TOTAL OXIDE |
| Empirical Formula: |
Ca3Si3O8(OH)1.9(CO3)0.1 |
| Environment: |
High pressure metamorphic mineral found in graywackes and serpentinites. |
| IMA Status: |
Approved IMA 1967 |
| Locality: |
Russian River, 5 miles NNW of Colverdale, Mendocino Co., California. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Leo Rosenhahn (1904-1991), American amateur mineralogist, who found the mineral. |
| Name Pronunciation: |
Rosenhahnite + Pronunciation  |
| Synonym: |
ICSD 100074 |
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PDF 29-378 |
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