광물 데이터베이스와 크리스탈 테라피광물GerstmanniteDavid Hospital·CC BY-SA 4.0·WikimediaGerstmanniteMnMgZn(SiO4)(OH)2Ortorombico IMA approved구성Composizione (% in peso)OZnMnSiMgOOxygen35.5%ZnZinc24.1%MnManganese20.3%SiSilicon10.4%MgMagnesium9.0%HHydrogen0.7%어원명명 유래 Ewald Gerstmann.