PDF versionwoodruffite (wood'-ruff-ite). A sooty-black tetragonal mineral: (Zn,Mn2+)2Mn4+5O12•4H2O . It is related to todorokite .
PDF versionwoodruffite
PDF versionPDF versionPDF versionPDF versionwoodruffite (wood'-ruff-ite). A sooty-black tetragonal mineral: (Zn,Mn2+)2Mn4+5O12•4H2O . It is related to todorokite .