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单词 naumannite
释义 naumannite
 /naw"meuh nuyt', now"-/,  n.  
 a mineral, silver-lead selenide, (Ag2Pb)Se, usually occurring in iron-black cubic crystals.
 [1840-50; after Karl F. Naumann, (1797-1873), German mineralogist; see -ITE1]
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