a grey to black mineral consisting of a sulphide of silver, antimony, and copper in the form of platelike monoclinic crystals. It occurs in veins of silver ore. Formula: (Ag,Cu)16Sb2S11
Word origin
C19: from poly- + base1 + -ite1
polybasite in American English
(ˌpɑlɪˈbeɪˌsaɪt; pəˈlɪbəˌsaɪt)
noun
a dark-colored mineral, silver copper antimony sulfide, (Ag,Cu)16Sb2S11, that is an ore of silver
Word origin
Ger polybasit < Gr poly- (see poly-) + basis (see base1) + Ger -it, -ite1