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stannite

[stan-ahyt] /ˈstæn aɪt/
noun
1.
a mineral, iron-black to steel-gray in color, with a metallic luster, copper iron tin sulfide, Cu 2 FeSnS 4 : an ore of tin.
Also called tin pyrites.
Origin
1850-1855
1850-55; stann(um) + -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for stannite

stannite

/ˈstænaɪt/
noun
1.
a grey metallic mineral that consists of a sulphide of tin, copper, and iron and is a source of tin. Formula: Cu2FeSnS4
Word Origin
C19: from stannum + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for stannite

a sulfide mineral, chemical formula Cu2FeSnS4, that is an ore of tin. It is ordinarily found associated with other sulfide minerals in tin veins, as at Cornwall, England; Zeehan, Tasmania; and Bolivia. Stannite is a member of the chalcopyrite group of sulfides. Stannite crystals have tetragonal symmetry. For chemical formula and detailed physical properties, see sulfide mineral (table)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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