Marvelous sturmanite crystals 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 duck-yellow colored crystals. The sturmanite has a good hexagonal shape and matt luster. It is complete all over. For references see the 2017 issue of The Mineralogical Record vol. 48, # 1. In very good condition – some natural imperfections. On acrylic base.
Cool sturmanite!