광물 데이터베이스와 크리스탈 테라피광물GearksutiteUser:Mark Joseph Wylie·CC0·WikimediaGearksutiteCaAlF4(OH)·H2OTriclino IMA approved구성Composizione (% in peso)FCaOAlFFluorine42.7%CaCalcium22.5%OOxygen18.0%AlAluminium15.2%HHydrogen1.7%어원명명 유래 Earth.