from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The mineral stannite.
from the GNU version of the Collaborative International Dictionary of English
- n. A mineral of a steel-gray or iron-black color; tin pyrites. It is a sulphide of tin, copper, and iron.
from The Century Dictionary and Cyclopedia
- n. A brittle steel-gray or iron-black ore of tin, of a metallic luster, consisting of the sulphids of tin, copper, and iron, and generally zinc, found in Cornwall; tin pyrites. Also called, from its color, bell-metal ore.
Sorry, no etymologies found.
Tin also occurs as sulphide combined with sulphides of copper and iron in the mineral stannine or bell-metal ore.