gersdorffite
noun
gers·dorff·ite
ˈgerzˌdȯrˌfīt,
ˈgersˌ-
plural -s
: a mineral NiAsS consisting of a silver-white to steel-gray nickel sulfarsenide that may also contain some iron and cobalt
Word History
Etymology
German gersdorffit, from the von Gersdorff family, 19th century Austrian mine owners + German -it -ite