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dufrenoysite

noun du·fre·noy·site \ ˌd(y)üfrəˈnȯiˌzīt \
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Definition of dufrenoysite

plural -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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