광물 데이터베이스와 크리스탈 테라피광물KellyiteModris Baum·CC0·WikimediaKellyiteMn2⁺2Al(AlSiO5)(OH)4 root IMA approved구성Composizione (% in peso)OMnAlSiOOxygen50.5%MnManganese19.3%AlAluminium18.9%SiSilicon9.9%HHydrogen1.4%어원명명 유래 William C. Kelly.