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tetrahedrite

黝銅礦

The Collaborative International Dictionary of English v.0.48 (gcide)

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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Tetrahedrite - Wikipedia
Tetrahedrite occurs in low to moderate temperature hydrothermal veins and in some contact metamorphic deposits It is a minor ore of copper and associated metals It was first described in 1845 for occurrences in Freiberg, Saxony, Germany
Tetrahedrite Subgroup: Mineral information, data and localities.
Although originally considered a series between tetrahedrite-(Fe)and tetrahedrite-(Zn), the two most common end-members, there are now (as of November 2023) seven IMA-recognized end-members
Tetrahedrite Mineral Data
Comments: Bright sharp metallic tetrahedrite crystals to 1 cm in size on pinkish to colorless crystalline calcite matrix Location: Cavnic (Kapnik), Maramures, Romania
Tetrahedrite | Copper Ore, Sulfide Crystals | Britannica
tetrahedrite, common sulfosalt mineral, an antimony sulfide of copper, iron, zinc, and silver [ (Cu,Fe,Zn,Ag) 12 Sb 4 S 13], that is an important ore of copper and sometimes of silver It forms gray to black metallic crystals or masses in metalliferous hydrothermal veins
Tetrahedrite (Cu, Fe, Ag, Zn)12Sb4S13 - Handbook of Mineralogy
Occurrence: Typically in hydrothermal veins or contact metamorphic deposits of low to medium temperature of formation Association: Chalcopyrite, galena, sphalerite, pyrite, bornite, acanthite, calcite, dolomite, siderite, barite, fluorite, quartz Distribution: One of the most common of the sulfosalts
Tetrahedrite — Grokipedia
Tetrahedrite is a sulfosalt mineral belonging to the tetrahedrite group, characterized by the general chemical formula (Cu,Fe)₁₂Sb₄S₁₃, where copper is the dominant cation and antimony serves as the key semimetal component [1]
Tetrahedrite - National Gem Lab
Tetrahedrite forms a solid solution series with the rather rare mineral Tennantite (Copper Arsenic Sulfide) The two share the same crystal structure but they differ in the percentage of arsenic versus antimony Antimony rich specimens are Tetrahedrite while arsenic rich specimens are Tennantite
Crystal chemistry of tetrahedrite - Mineralogical Society of America
Initial solution of the tetrahedrite structure was by Ma-chatschki (1928a, 1928b) who noted a marked similarity of the tetrahedrite and sphalerite powder patterns
Tetrahedrite | U. S. Geological Survey - USGS. gov
Uses: electric wiring and silver-based inks create electrical pathways in electronics; jewelry, mirrors, coins, in photovoltaic cells to transform sunlight into electricity Public Domain
Tetrahedrite mineral information and data - Dakota Matrix
Named after its commonly tetrahedral crystals, Tetrahedrite occurs “in hydrothermal veins or contact metamorphism deposits of low to medium temperature of formation ” One of the most common sulfosalts, Tetraherite is found in thousands of localities worldwide

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