famatinite
noun
fa·ma·ti·nite
ˌfaməˈtēˌnīt,
ˌfäm-
plural -s
: a mineral Cu3SbS4 consisting of a reddish gray copper antimony sulfide (specific gravity 4.57)
Word History
Etymology
German famatinit, from Sierra de Famatina, mountain range in northwest Argentina + German -it -ite