“Palma mine, Meia Lua Lagoon, Southern Rio-grandense Shield, Mantiqueira Province, São Gabriel, Rio Grande do Sul, Brazil. Crystalline System: Isometric (cubic). Genesis: common mineral in sulphide hydrothermal veins; widespread in plutonic igneous rocks and skarns, as well as porphyry copper deposits (NEVES, P. C. P. das; ATENCIO, D. Enciclopédia dos minerais do Brasil - sulfetos e sulfossais, ULBRA: Canoas, 2014, p. 92). Associated minerals at locality: arsenopyrite, "biotite", "chlorite", diopside, epidote, gold, grossular, magnetite, pentlandite, pyrrhotite, "serpentine", sphalerite, talc, titanite, and tremolite (NEVES, P. C. P. das; ATENCIO, D. Enciclopédia dos minerais do Brasil - sulfetos e sulfossais, ULBRA: Canoas, 2014, p. 389). Geology and Mineralogy Laboratory at ULBRA, Canoas, Rio Grande do Sul, Brazil (former Pércio de Moraes Branco Mineral Collection). Photography: Luciano Valério.”