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1. (n.) tetrahedrite
any of a group of copper and silver ore minerals ranging from copper-iron antimony sulfide to copper-iron arsenic sulfide; copper is the chief metal but other metals (Fe, Zn, Ag) substitute for it extensively.
2. tetrahedrite
the copper-iron antimony sulfide, (Cu, Fe)
Etymology: (1865–70; < G Tetraëdrit (1845); see tetrahedron , -ite1)
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| Definition of 'tetrahedrite' |
Webster Dictionary |
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1. (noun) tetrahedrite
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
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Definitions of tetrahedrite 
