anorthoclase siderite ferrosilite sesquioxides Fe4S4 diopside Forsterite glauconite analcime CaSiO3 Augite Glaucophane augite wolframite sphene plagioclase ilmenite 187Os monosulfide sorbents Chondrites hedenbergite phenocrysts Fe2O3 cordierite NaAlSi3O8 sanidine turbinado contain subcommunity olivine FeS2 wustite tremolite polyproline pyroxenes uranophane ubietov