单词 | novákite |
释义 | novákite/ˈnəʊvɑːkʌɪt/ /ˈnəʊvakʌɪt/(also novakite) Mineralogy noun A monoclinic arsenide of copper and silver, Cu20AgAs10, occurring in the Krkonose mountains of the northern Czech Republic, which is steel-grey on fresh fracture but becomes almost black on exposure to air. Origin1950s; earliest use found in American Mineralogist. From German Novákit from the name of Jiří Novák, Czech mineralogist + -it. |
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