augite
Au"gite, n. Etym: [L. augites, Gr. augite.] Defn: A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt; -- also used instead of the general term pyroxene.
Au"gite, n. Etym: [L. augites, Gr. augite.] Defn: A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt; -- also used instead of the general term pyroxene.