규산염 광물Mg9(SiO4)4(F,OH)2 en:Datolite – CaBSiO4(OH) en:Titanite – CaTiSiO5 en:Chloritoid – (Fe,Mg,Mn)2Al4Si2O10(OH)4 en:Mullite (Porcelainite로도 알려져 있음) – Al6Si2O13
십자석Sciences. Earth Science Sector, 186, 189-191 Halferdahl, L.B., 1961. Chloritoid: its composition, X-ray and optical properties, stability and occurrence