Tantalite-(Fe) with Cassiterite, Albite and Muscovite - RARE15-115 - Lavra da Golconda - Brazil Mineral Specimen

Tantalite-(Fe) with Cassiterite, Albite and Muscovite from Lavra da Golconda, Governador Valadares, Minas Gerais, Brazil

Tantalite on Muscovite with Schorl - MIX18D-30 - Shigar Valley - Pakistan Mineral Specimen

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Marin Mineral Company - South American Minerals

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Tantalite-(Fe) Mineral Specimen For Sale

An Extreme Concentration of Isomorphic Tantalum in Cassiterite

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