Chalcocite specimens for sale

255 for sale · $40–$12,500 USD

206 in the gallery

Chalcocite is a copper sulfide mineral that forms as a metallic, gray to black crystal or massive mineral with a characteristic high luster. It commonly occurs as fine-grained to coarser aggregates, often combining with other copper minerals to create strikingly dark, almost silver-gray surfaces that reflect light with a metallic gleam. The mineral is frequently found in hydrothermal ore veins and near porphyry copper deposits, where reducing conditions concentrate the copper sulfide and allow it to crystallize in foliated or bladed habits. Noted specimens come from classic localities around the world and can exhibit well-formed crystals and botryoidal or fibrous textures, making them a staple for cabinets and display pieces.