Database minerali e cristalloterapiaMineraliGonyeriteDavid Hospital·CC BY-SA 4.0·WikimediaGonyerite(Mn2⁺,Mg)5Fe3⁺(Fe3⁺Si3O10)(OH)8 root IMA grandfatheredComposizioneComposizione (% in peso)OMnFeSiOOxygen37.6%MnManganese35.8%FeIron14.6%SiSilicon11.0%HHydrogen1.1%EtimologiaNome derivato da Forest A. Gonyer.