광물 데이터베이스와 크리스탈 테라피광물BearthiteBearthiteCa2Al(PO4)2(OH) IMA approved구성Composizione (% in peso)OCaPAlOOxygen45.8%CaCalcium25.5%PPhosphorus19.7%AlAluminium8.6%HHydrogen0.3%어원명명 유래 Peter Bearth.