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Vernadite Mineral Data
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General Vernadite Information
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 Chemical Formula: |
(Mn++++,Fe+++,Ca,Na)(O,OH)2•n(H2O) |
| Composition: |
Molecular Weight = 108.16 gm |
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Sodium 2.13 % Na 2.87 % Na2O |
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Calcium 3.71 % Ca 5.18 % CaO |
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Manganese 30.48 % Mn 48.23 % MnO2 |
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Iron 10.33 % Fe 14.76 % Fe2O3 |
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Hydrogen 3.08 % H 27.48 % H2O |
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Oxygen 50.29 % O |
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______ ______ |
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100.00 % 98.52 % = TOTAL OXIDE |
| Empirical Formula: |
Mn4+0.6Fe3+0.2Ca0.1Na0.1O1.5(OH)0.5•1.4(H2O) |
| Environment: |
Marine and fresh water iron-manganese crusts and concretions, often in relict bacterial forms. |
| IMA Status: |
Valid Species (Pre-IMA) 1944 |
| Locality: |
Somewhere in Russia. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Vladimir Ivanovich Vernadskii (1863-1945), Russian natrualist and geochemist. |
| Name Pronunciation: |
Vernadite + Pronunciation  |
| Synonym: |
Wad |
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