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.
Specimen Grade B
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