광물 데이터베이스와 크리스탈 테라피광물CoombsiteErik Vercammen·CC BY 3.0·WikimediaCoombsiteK(Mn,Fe,Mg)13(Si,Al)18O42(OH)14 root IMA approved구성Composizione (% in peso)OMnSiOOxygen41.3%MnManganese32.9%SiSilicon23.3%KPotassium1.8%HHydrogen0.7%어원명명 유래 Douglas Coombs.