ə̇ˈnärˌjīt, ˈenər- noun
( -s )
Etymology: German enargit, from Greek enargēs visible (from en in + argēs bright) + German -it -ite; from its cleavage; akin to Greek argos white — more at argent
: a grayish black or iron-black copper arsenic sulfide (Cu 3 AsS 4 ) of metallic luster occurring in small orthorhombic crystals or massive and often containing antimony