Definition of gray copper ore. Meaning of gray copper ore. Synonyms of gray copper ore
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Definition of gray copper ore
gray copper ore Tetrahedrite Tet`ra*he"drite, n. [So called because the
crystals of the species are commonly tetrahedrons.] (Min.)
A sulphide of antimony and copper, with small quantities of
other metals. It is a very common ore of copper, and some
varieties yield a considerable presentage of silver. Called
also gray copper ore, fahlore, and panabase.