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nounany of a group of crystalline silicate mineral common in igneous and metamorphic rockstype of:
Definition that contains pyroxene
- basalt the commonest type of solidified lava; a dense dark grey fine-grained igneous rock that is composed chiefly of plagioclase feldspar and pyroxene
- nephelinite an igneous rock consisting of nepheline and pyroxene
- spodumene a pyroxene mineral consisting of lithium aluminum silicate; a source of lithium
- augite dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium