单词 | oldhamite |
释义 | oldhamite/ˈəʊldəmʌɪt/Mineralogy noun A mineral of the galena group, a cubic sulphide of calcium, CaS, that occurs as transparent pale brown spherules, especially in meteorites. OriginMid 19th century; earliest use found in Reports of the British Association for the Advancement of Science. From the name of Thomas Oldham, director of the Indian Geological Survey + -ite. |
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