Definitions
from The Century Dictionary.
- noun A species closely related to tetrahedrite, or gray copper ore, a mineral of a leadgray or iron-black color, massive or crystallized, found in Cornwall, England, and elsewhere.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) A blackish lead-gray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A
sulfide mineral ofiron ,copper andarsenic that is anore of copper
Etymologies
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Examples
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Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
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Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
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Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite - tennantite in quart-siderite gangue.
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Mineralization is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart - siderite gangue.
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Mineralization at the Haldane property is controlled by northerly trending structures, and consists of galena, sphalerite and tetrahedrite-tennantite in quart-siderite gangue.
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Copper minerals occurring in deposits large enough to mine include azurite (Cu3 (CO3) 2 (OH) 2), malachite (Cu2CO3 (OH) 2), tennantite ((Cu, Fe) 12As4S13), chalcopyrite (CuFeS2), and bornite (Cu5FeS4).
Copper 2008
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(pp. 235) also yield important amounts, the arsenic-bearing minerals being enargite and tennantite (copper-arsenic sulphides) and others.
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