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tet•ra•he•drite



Pronunciation: (te"tru-hē'drīt), [key]
n.
a steel-gray or blackish mineral with a brilliant metallic luster, essentially copper and antimony sulfide, (Cu, Fe, Zn, Ag,)12 Sb4S13, an end member of a series of solid solutions into which arsenic enters to form tennantite: mined as an ore of copper and silver.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

tetrahedraltetrahedron

 

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