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单词 rickardite
释义

rickarditen.

Brit. /ˈrɪkɑːdʌɪt/, U.S. /ˈrɪkɑrˌdaɪt/
Origin: From a proper name, combined with an English element. Etymons: proper name Rickard , -ite suffix1.
Etymology: < the name of Thomas A. Rickard (1864–1953), United States mining engineer, who brought the mineral to the attention of W. E. Ford (compare quot. 1903) + -ite suffix1.
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).
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n.1903
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