Sphalerite Locality: Idarado Mine, Telluride, Ouray District (Uncompahgre District), San Miguel County, Colorado, USA (Locality at mindat.org) Size: 2.3 x 2.3 x 1.2 cm. A very good representative Sphalerite from the Replacement Ore Body of the Idarado mine. The crystals show very sharp, tetrahedral form (with minor modifications) with a lustrous jet black appearance. There is some minor associated Chalcopyrite on around the edges of the specimen as well. Ex. Jaime Bird Collection.
