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Hasil cari dari kata atau frase: gray copper ore (0.01749 detik)
Found 1 items, similar to gray copper ore.
English → English (gcide)
Definition: 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.
[1913 Webster]
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