aramayoite
noun
ar·a·may·o·ite
ˌarəˈmīəˌwīt
plural -s
: a black metallic mineral consisting of silver antimony bismuth sulfide Ag(Sb, Bi)S2 related in crystal structure to galena
Word History
Etymology
Félix Avelino Aramayo Vega †1929 Bolivian mining entrepreneur + -ite entry 1