Search Archived Mineral Specimens

Availability

Sold

Featured

Featured in Special Editions

Locality

Hugo mine, Pennington Co., South Dakota, United States

Formula

Cu₂CdSnS₄

Size

Thumbnail 0.9x0.6x0.3cm

Tagged

sulfide , copper , tin

Special Info

Co-Type Locality

Silvery black metallic mass of rare Černýite from the co-type locality, the Hugo pegmatite. The Hugo pegmatite is less than a quarter mile from the famous Etta pegmatite.