Parallel Black Columbite Crystals

Parallel Black Columbite Crystals from Aracuai, Minas Gerais, Brazil

Collection

John Betts - Fine Minerals

Description

Several parallel black Columbite-(Fe) crystals with remnants of Quartz and Muscovite mica in the crevices. The Columbite-(Fe) crystals are fully crystallized on both sides. A very good specimen of this mineral. Ex. Dr. Eugene E. Sensel (1911-2000) collection #G928, originally acquired in 1970 from R. Hauck.

Locality

Aracuai, Minas Gerais, Brazil

Dimensions

8.0 x 3.5 x 2.0 cm.


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