单词 | rickardite |
释义 | rickarditen. Mineralogy. A rare mineral consisting of copper telluride, found as brittle, metallic, purplish-red masses.Chemical formula: Cu7Te5. Crystal system: orthorhombic. ΘΚΠ the world > the earth > minerals > types of mineral > sulphides and related minerals > [noun] > other tellurides tetradymite1850 rickardite1903 weissite1927 michenerite1958 testibiopalladite1974 bismuth-tellurium- 1903 W. E. Ford in Amer. Jrnl. Sci. 165 69 Rickardite occurs at Vulcan, Col., in the Good Hope mine... Rickardite itself occurs in small lens-shaped masses, generally rather intimately associated with native tellurium. 1943 R. D. George Minerals & Rocks viii. 223 Weissite, Cu5Te3..occurs associated with rickardite. 1980 Mineral. Abstr. 31 354/1 Rickardite and weissite occur with pyrite, tetrahedrite, chalcopyrite, and altaite in this orebody in andesites and dacite porphyrites. 2006 Solar Energy Materials & Solar Cells 90 1429 The heat treatments..show the progressive disappearance of the Cu2−xTe phase and the appearance of a new compound—the orthorhombic rickardite Cu7Te5. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1903 |
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