광물 데이터베이스와 크리스탈 테라피광물Schlüterite-(Y)Schlüterite-(Y)(Y,REE)2AlSi2O7(OH)2FMonoclino IMA approved구성Composizione (% in peso)YOSiAlYYttrium41.7%OOxygen33.8%SiSilicon13.2%AlAluminium6.3%FFluorine4.5%HHydrogen0.5%어원명명 유래 Jochen Schlüter.