stannite

Plural: stannites

Noun

• A sulfide mineral consisting of tin, copper, iron, and sulfur.
• a dark grey mineral with a metallic luster that is a source of tin
• a dark-gray lustrous mineral, a mixed sulfide of copper, iron, and tin, Cu₂FeSnS₄, used as an ore of tin

Examples

• Playing STANNITE felt like unearthing a rare and valuable gem on the board.

Synonyms

tin pyrites, bell-metal ore