WURTZITE

wurtzite

(noun) a brownish-black mineral consisting of zinc sulfide

Source: WordNet® 3.1

Etymology

Noun

wurtzite (countable and uncountable, plural wurtzites)

(mineral) A dark brown zinc iron sulfide mineral ((Zn,Fe)S), a form of sphalerite.

Adjective

wurtzite (not comparable)

Of or pertaining to wurtzite crystal structure, a hexagonal crystal system named after the mineral wurtzite.

Source: Wiktionary