clausthalite
noun
claus·thal·ite
ˈklau̇stəˌlīt
plural -s
: a mineral consisting of lead selenide PbSe and resembling galena in appearance (specific gravity 7.6–8.8)
Word History
Etymology
French clausthalie clausthalite (from Clausthal, Germany, its locality + French -ie) + English -ite