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Tantalite-(Fe) Mineral Data
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General Tantalite-(Fe) Information
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 Chemical Formula: |
Fe++Ta2O6 |
| Composition: |
Molecular Weight = 513.74 gm |
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Tantalum 70.44 % Ta 86.02 % Ta2O5 |
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Iron 10.87 % Fe 13.98 % FeO |
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Oxygen 18.69 % O |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
| Empirical Formula: |
Fe2+Ta2O6 |
| Environment: |
Accessory mineral in granite pegmatites. |
| IMA Status: |
Approved IMA 1989 |
| Locality: |
Upper Bear Gulch, Lawrence Co, South Dakota, USA Link to MinDat.org Location Data. |
| Name Origin: |
Named for the FERROus iron and from the Greek, Tantalos = father of Niobe. |
| Synonym: |
Coltan |
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Columbite-Tantalite |
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Ferrotantalite - Renamed to Tantalite-(Fe) by Mineralogical Record, v39 (2008), p 131 |
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