domeykite
noun
do·mey·kite
dōˈmāˌkīt
plural -s
: a mineral Cu3As (specific gravity, 7.2–7.75) of tin-white or steel-gray color consisting of copper arsenide
Word History
Etymology
German domeykit, from Ignacio Domeyko †1889 Polish mineralogist in Chile + German -it -ite