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mineral > silicate > inosilicate > pyroxene
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pyroxene comparison table
Subject has polymorph has alteration mineral is one of has metastable polymorph has chemical composition is a kind of has genesi is an instance of
augite pyroxene and amphibole coronas or concentric rings surrounding original olivine crystals in basic igneous rocks295 minerals found to occur in meteoritesringwoodite(Ca,Na)(Mg,Fe2+,Al,Fe3+,Ti)[(Si,Al)2O6]calcium rich olivinecreated on Mars if found in martian meteoritemartian meteorite mineral
enstatite  4000 well-characterized minerals Mg2[Si2O6]  pyroxene
ferrosilite  4000 well-characterized minerals FeSiO3  pyroxene
hypersthene  4000 well-characterized minerals 22-30% FeSiO3  pyroxene

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