pyroxene andesite
4.a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium.
5.A usually coarse-grained igneous rock composed chiefly of calcic plagioclase and pyroxene.
6.A light green, monoclinic pyroxene mineral, CaMgSi2O6, used as a gemstone and refractory.
7.A green, brown, or black splintery, cleavable pyroxene mineral, essentially(Fe, Mg)2Si2O6.
8.A STUDY ON THE CHEMICAL COMPOSITION OF JADEITE, RELATIVE PYROXENE AND CLASSIFICATION OF JADE
9.The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt-thick andesite-alkaline rhyolite.
10.Having a texture composed of lath-shaped plagioclase crystals in a matrix of pyroxene crystals.

