chalcostibite

[kal-kuh-stib-ahyt]

noun

a mineral, antimony copper sulfide, CuSbS2, occurring in lead-gray crystals.

Origin of chalcostibite

First recorded in 1865–70; chalco- + stib(ium) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019