Tetrahedrite on quartz
description: LOCALITY: Madan ore field, Bulgaria 2 1/2" tall The illustrated tetrahedrite crystal on quartz was extracted from 19th of September Mine in the Madan orefield of Bulgaria. This locality is currently producing. The single crystal of tetrahedrite is placed atop of a matrix of small and slender quartz crystals. The tetrahedrite crystal is a perfect tetrahedron. Hence, the name of the species. The tetrahedrite crystal is also highly lustrous.
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