ˈkərmēˌzīt, -mə̇ˌsīt; kərˈmeˌsīt noun
( -s )
Etymology: French kermésite, from kermès + -ite
: a mineral Sb 2 S 2 O consisting of antimony oxysulfide occurring usually as tufts of cherry-red capillary crystals and resulting from the alteration of stibnite