tetrahedrite

American

[te-truh-hee-drahyt] / ˌtɛ trəˈhi draɪt /

noun

a steel-gray or blackish mineral with a brilliant metallic luster, essentially copper and antimony sulfide, (Cu, Fe, Zn, Ag,) 12 Sb 4 S 13 , an end member of a series of solid solutions into which arsenic enters to form tennantite: mined as an ore of copper and silver.

tetrahedrite British

/ ˌtɛtrəˈhiːdraɪt /

noun

a grey metallic mineral consisting of a sulphide of copper, iron, and antimony, often in the form of tetrahedral crystals: it is a source of copper. Formula: (Cu,Fe) 12 Sb 4 S 13

"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

Etymology

Origin of tetrahedrite

1865–70; tetrahedr(on) + -ite ¹, modeled on German Tetraedrit

Example Sentences

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tetrahedrite

In external form these crystals are cubic with inclined hemihedrism, the symmetry being the same as in blende and tetrahedrite.

From Encyclopaedia Britannica, 11th Edition, Volume 4, Slice 2 "Bohemia" to "Borgia, Francis" by Various

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023