Base de minerales y cristaloterapiaMineralesHoldawayiteDavid Hospital·CC BY-SA 4.0·WikimediaHoldawayiteMn6(CO3)2(OH)7(Cl,OH)Monoclino root IMA approvedComposiciónComposizione (% in peso)MnOMnManganese54.6%OOxygen34.4%ClChlorine5.9%CCarbon4.0%HHydrogen1.2%