Basis data mineral & terapi kristalMineralGerstmanniteDavid HospitalยทCC BY-SA 4.0ยทWikimediaGerstmanniteMnMgZn(SiO4)(OH)2Ortorombico IMA approvedKomposisiComposizione (% in peso)OZnMnSiMgOOxygen35.5%ZnZinc24.1%MnManganese20.3%SiSilicon10.4%MgMagnesium9.0%HHydrogen0.7%EtimologiDinamai dari Ewald Gerstmann.