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tetrahedrite
[ te-truh-hee-drahyt ]
noun
- a steel-gray or blackish mineral with a brilliant metallic luster, essentially copper and antimony sulfide, (Cu, Fe, Zn, Ag,) 12 Sb 4 S 13 , an end member of a series of solid solutions into which arsenic enters to form tennantite: mined as an ore of copper and silver.
tetrahedrite
/ 藢迟蓻迟谤蓹藞丑颈藧诲谤补瑟迟 /
noun
- a grey metallic mineral consisting of a sulphide of copper, iron, and antimony, often in the form of tetrahedral crystals: it is a source of copper. Formula: (Cu,Fe) 12 Sb 4 S 13
亚洲网紅露点 History and Origins
Origin of tetrahedrite1
Example Sentences
Tetrahedrite, blende, diamond, boracite and pharmacosiderite are substances which crystallize in this class.
Tetrahedrite, the typical species, is composed of copper, sulphur, and antimony.
Fine crystals of large size have been found with quartz and chalybite in the mines at Neudorf in the Harz, and with blende and tetrahedrite at Kapnik-B锟絥ya near Nagy-B锟絥ya in Hungary.
In external form these crystals are cubic with inclined hemihedrism, the symmetry being the same as in blende and tetrahedrite.
Ores.鈥擳he principal ores of copper are the oxides cuprite and melaconite, the carbonates malachite and chessylite, the basic chloride atacamite, the silicate chrysocolla, the sulphides chalcocite, chalcopyrite, erubescite and tetrahedrite.
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