[ ƒgƒbƒv ] [ English ]
Ca-Mg-Fe‹P΃Oƒ‹[ƒv, Ca-Mg-FeƒpƒCƒƒLƒVƒ“ ƒOƒ‹[ƒv
Ca-Mg-Fe pyroxene group
[(Ca,Mg,Fe)][(Ca,Mg,Fe)][(SiO3)2]