Mineral Chemical formula Type of rocks that they ar... Olivine (Mg, Fe)2SiO4 Ultramafic igneous rocks Pyroxene group (Mg, Fe)SiO2 Basaltic igneous rocks Amphibole group (example: hornblende) (Ca2Mg5)Si8O22(OH)2 Andesitic igneous rocks
確定! 回上一頁