광물 데이터베이스와 크리스탈 테라피광물Piergorite-(Ce)Henk Smeets – tomeikminerals.com·CC BY 4.0·WikimediaPiergorite-(Ce)Ca8Ce2AlLiSi6B8O36(OH)2 IMA approved구성Composizione (% in peso)OCaCeSiOOxygen40.5%CaCalcium21.4%CeCerium18.7%SiSilicon11.2%BBoron5.8%AlAluminium1.8%LiLithium0.5%HHydrogen0.1%어원명명 유래 duo.