광물 데이터베이스와 크리스탈 테라피광물GrandaiteRoberto Bracco·CC BY 4.0·WikimediaGrandaiteSr2Al(AsO4)2(OH)Monoclino root IMA approved구성Composizione (% in peso)SrAsOSrStrontium35.3%AsArsenic30.1%OOxygen29.0%AlAluminium5.4%HHydrogen0.2%어원명명 유래 Province of Cuneo.