An ore of tin

• A dark gray mineral with a metallic luster that is a source of tin

Wiktionary Word definitions in Wiktionary
n. a dark-gray lustrous mineral, a mixed sulphide of copper, iron and tin, Cu 2 FeSnS 4 , used as an ore of tin

WordNet Word definitions in WordNet
n. a dark gray mineral with a metallic luster that is a source of tin [syn: tin pyrites ]

Wikipedia Word definitions in Wikipedia
Stannite is a mineral, a sulfide of copper , iron , and tin . The chemical formula Cu Fe Sn S . Zinc commonly occurs with the iron and trace germanium may be present. Stannite is used as an ore of tin, consisting of approximately 28% tin, 13% iron, 30% ...

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Stannine \Stan"nine\ (-n[i^]n), Stannite \Stan"nite\ (-n[imac]t), n. (Min.) A mineral of a steel-gray or iron-black color; tin pyrites. It is a sulphide of tin, copper, and iron.