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<chemical>
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.
Synonyms: gray copper ore, fahlore, and panabase.
Origin: So called because the crystals of the species are commonly tetrahedrons.
(01 Mar 1998)
tetragonus, tetragynia, tetragynous, tetrahedral < Prev | Next > tetrahedron, tetrahexahedral, tetrahexahedron
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