a mineral, iron-black to steel-gray in color, with a metallic luster, copper iron tin sulfide, Cu2FeSnS4: an ore of tin.
- Also called tin pyrites.
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British Dictionary definitions for stannite
a grey metallic mineral that consists of a sulphide of tin, copper, and iron and is a source of tin. Formula: Cu 2 FeSnS 4
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012