Name: Braunite. RRUFF ID: R050390. Ideal Chemistry: Mn 2+ Mn 3+6 O 8 (SiO 4) Locality: Oehrenstock, Thuringia, Germany. Source: University of Arizona Mineral Museum 7721 [view label] Owner: RRUFF. Description: Mass of black octahedra. Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis.
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