광물 데이터베이스와 크리스탈 테라피광물FriisiteDan Holtstam, Fernando Cámara and Andreas Karlsson·CC BY 4.0·WikimediaFriisitePb8Al3Si8O27Cl3Esagonale third eye IMA approved구성Composizione (% in peso)PbOSiPbLead66.3%OOxygen17.3%SiSilicon9.0%ClChlorine4.3%AlAluminium3.2%보조 차크라crown