Definition of boulangerite
: 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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Origin and Etymology of boulangerite
German boulangerit, from C.L. Boulanger †1849 French mining engineer + German -it -ite
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