광물 데이터베이스와 크리스탈 테라피광물BirchiteHenk Smeets – tomeikminerals.com·CC BY 4.0·WikimediaBirchiteCd2Cu2(PO4)2(SO4)·5H2OOrtorombico third eye IMA approved구성Composizione (% in peso)OCdCuPOOxygen37.4%CdCadmium30.9%CuCopper17.5%PPhosphorus8.5%SSulfur4.4%HHydrogen1.4%어원명명 유래 William D. Birch.보조 차크라crown