광물 데이터베이스와 크리스탈 테라피광물KrettnichiteKrettnichitePbMn3⁺2(VO4)2(OH)2Monoclino third eye IMA approved구성Composizione (% in peso)PbOVMnPbLead39.4%OOxygen30.4%VVanadium19.4%MnManganese10.4%HHydrogen0.4%어원명명 유래 Krettnich.보조 차크라crown