[ ƒgƒbƒv ] [ English ]

Ca-Mg-Fe‹PÎƒOƒ‹[ƒv, Ca-Mg-FeƒpƒCƒƒLƒVƒ“ ƒOƒ‹[ƒv

Ca-Mg-Fe pyroxene group

[(Ca,Mg,Fe)][(Ca,Mg,Fe)][(SiO3)2]