dufrenoysite
noun
du·fre·noy·site
\ˌd(y)üfrəˈnȯiˌzīt\
Definition of dufrenoysite
-s
: a lead-gray mineral Pb2As2S5 consisting of a compound of lead arsenic sulfide occurring in orthorhombic crystals or massive
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Origin and Etymology of dufrenoysite
French dufrénoysite, irregular from O.P.A. Petit-Dufrénoy + French -ite
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