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Hasil cari dari kata atau frase: gray copper ore (0.01307 detik)
Found 1 items, similar to gray copper ore.
English → English
Definition: gray copper ore
, 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
, and panabase