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Mcgovernite Mineral Data
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General Mcgovernite Information
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 Chemical Formula: |
Mn9Mg4Zn2As2Si2O17(OH)14 |
| Composition: |
Molecular Weight = 1,438.55 gm |
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Magnesium 6.76 % Mg 11.21 % MgO |
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Manganese 34.37 % Mn 44.38 % MnO |
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Zinc 9.09 % Zn 11.32 % ZnO |
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Silicon 3.90 % Si 8.35 % SiO2 |
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Arsenic 10.42 % As 15.98 % As2O5 |
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Hydrogen 0.98 % H 8.77 % H2O |
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Oxygen 34.48 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Mn2+9Mg4Zn2As2Si2O17(OH)14 |
| Environment: |
Metamorphosed zinc-manganese deposit. |
| IMA Status: |
Valid Species (Pre-IMA) 1927 |
| Locality: |
Sterling Hill, Franklin, Sussex Co., New Jersey, USA. Link to MinDat.org Location Data. |
| Name Origin: |
Named for J. J. McGovern (1915-), Franklin miner and mineral collector. |
| Name Pronunciation: |
Mcgovernite + Pronunciation  |
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