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单词 boulangerite
释义 bou·lan·ger·ite
\büˈlanjəˌrīt\ noun
(-s)
Etymology: German boulangerit, from C.L. Boulanger died 1849 French mining engineer + German -it -ite
: a bluish gray metallic-looking mineral Pb5Sb4S11 consisting of antimony lead sulfide occurring usually in plumose masses (hardness 2.5-3, specific gravity 5.75-6.0)
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更新时间:2024/11/11 15:10:48