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单词 naumannite
释义 nau·mann·ite
\ˈnȯməˌnīt, ˈnau̇m-\ noun
(-s)
Etymology: German naumannit, from Karl F. Naumann died 1873 German mineralogist + German -it -ite
: a mineral (Ag2Se) consisting of a silver selenide in iron-black cubic crystals or massive (sp. gr. 8)
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