Eur. J. Mineral. 2007, 19, 419–427 Schafarzikite from the type locality Pernek (Malé Karpaty Mountains... Slovak Republic Abstract: A rare mineral schafarzikite, an oxide of Fe2+ and Sb3+ , was found after...Republic). Crystals, druses, and crusts of schafarzikite occur on fractures in quartzcarbonate-stibnite...senarmontite, and gypsum. Prismatic crystals of schafarzikite are 0.1–1.0 mm, rarely up to 1.5 mm large, with...equation, is 2.001. The physical properties of schafarzikite from Pernek are: dark brown to black color, |