An attractive specimen of sturmanite from the famous N Chwaning Mines, Kalahari manganese fields, South Africa. It comes from the renowned collection of Rock Currier, USA with a label. It displays brown-yellow colored crystals. They have a sharp hexagonal shape and a matt luster. Small quartz crystals grow on the back side. For references see the 2017 issue of The Mineralogical Record vol. 48, # 1. In very good condition – some natural imperfections. On acrylic base.

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