augite

About 0.18 uses per million words.

Meaning

1. noun A variety of pyroxene, usually of a black or dark green color, occurring in igneous rocks, such as basalt.

Similar words

andesite diorite trachyte aegirite ophitic aegirine syenite titaniferous andesites diorites

Often followed by

and is in or syenite andesite are crystals phenocrysts

Word family

augites augitic