Base de minerais e cristaloterapiaMineraisNyholmiteNyholmiteCd3Zn2(AsO3OH)2(AsO4)2·4H2OMonoclino IMA approvedComposiçãoComposizione (% in peso)CdOAsZnCdCadmium30.7%OOxygen29.2%AsArsenic27.3%ZnZinc11.9%HHydrogen0.9%EtimologiaNome em honra a Ronald Sydney Nyholm.