From Wikipedia, the free encyclopedia
Lei piroxènes (var. piroxèns) son una familha de mineraus, compausats de silicats de fèrre, de magnèsi, de calci e eventualament d'alumini, que son de constituents importants dei ròcas eruptivi (basalt, peridotita, andesita) e metamorfiqui (eclogit, granulita). Son aparentats ai anfibòlas.
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