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单词 tetrahedrite
释义 tetrahedrite
[´te·trǝ`hē´drīt]
MINERALOGY
(Cu,Fe,Zn,Ag)12Sb4S13 A grayish- black mineral crystallizing in the isometric system as tetrahedrons and occurring in massive or granular form; luster is metallic, hardness is 3.5-4 on Mohs scale, and specific gravity is 4.6-5.1; an important ore of copper. Also known as fahlore; gray copper ore; panabase; stylotypite.
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