광물 데이터베이스와 크리스탈 테라피광물HoldawayiteDavid Hospital·CC BY-SA 4.0·WikimediaHoldawayiteMn6(CO3)2(OH)7(Cl,OH)Monoclino root IMA approved구성Composizione (% in peso)MnOMnManganese54.6%OOxygen34.4%ClChlorine5.9%CCarbon4.0%HHydrogen1.2%