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Walter R. Kellogg


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Mineral Specimen #5508    Columbite/Tantalite Crystals

Itatia Mine, Conselheiro Pena, Minas Gerais, Brazil

Two large Columbite/Tantalite crystals conjoined at an acute angle at the base. The smaller of the two crystals makes a natural base for the specimen to rest upon with the larger crystal at an angle. The color of the specimen is black with a submetallic luster. There are interesting growth patterns on the surfaces of the crystals.

Condition: Very Good

Flaws: There are a couple of places on the edges where there are minor chips.

7.4 x 5 x 5 cm


This mineral is also found in the following galleries: Minerals From Brazil | Oxides and Hydroxides | Rare Minerals | Minerals Priced 500 Dollars and Greater