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Kempite Mineral Data
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General Kempite Information
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 Chemical Formula: |
Mn2Cl(OH)3 |
| Composition: |
Molecular Weight = 196.35 gm |
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Manganese 55.96 % Mn 72.26 % MnO |
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Hydrogen 1.54 % H 13.76 % H2O |
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Chlorine 18.06 % Cl 18.06 % Cl |
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- %
Cl -4.07 % -O=Cl2 |
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Oxygen 24.45 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+2Cl(OH)3 |
| Environment: |
Oxidized portions of manganese deposits. |
| IMA Status: |
Valid Species (Pre-IMA) 1924 |
| Locality: |
Alum Rock Park, 7 miles NE of San Jose, Santa Clara Co. California. Link to MinDat.org Location Data. |
| Name Origin: |
Named for James Furman Kemp (1859-1926), Professor of Geology, Columbia University, New York City, New York, USA. |
| Name Pronunciation: |
Kempite  |
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