Base de minerais e cristaloterapiaMineraisWoodruffiteHenk Smeets – tomeikminerals.com·CC BY 4.0·WikimediaWoodruffiteZn2⁺x/2(Mn4+1-xMn3⁺x)O2*yH2OMonoclino IMA grandfatheredEtimologiaNome em honra a Samuel Woodruff.