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Varlamoffite Mineral Data
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General Varlamoffite Information
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 Chemical Formula: |
(Sn,Fe)(O,OH)2 |
| Composition: |
Molecular Weight = 135.50 gm |
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Iron 10.30 % Fe 14.73 % Fe2O3 |
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Tin 65.71 % Sn 83.42 % SnO2 |
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Hydrogen 0.37 % H 3.32 % H2O |
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Oxygen 23.62 % O |
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______ ______ |
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100.00 % 101.48 % = TOTAL OXIDE |
| Empirical Formula: |
Sn0.75Fe3+0.25O1.5(OH)0.5 |
| Environment: |
Oxidized protions of stannite-cassiterite veins. |
| IMA Status: |
Not Approved IMA 1946 |
| Locality: |
Cligga mine, Cronwall, England. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Nicolas Varlamoff (1910-1976), Belgian geologist who collected the mineral. |
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