Mineralogy Database

Woodruffite Mineral Data

Search Webmineral :

General Woodruffite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Mn++)2Mn++++5O12•4(H2O)
Help on Composition: Composition: Molecular Weight = 668.48 gm
   Manganese  41.91 %  Mn    1.06 % MnO / 65.03 % MnO2
   Zinc       18.59 %  Zn   23.13 % ZnO
   Hydrogen    1.21 %  H    10.78 % H2O
   Oxygen     38.29 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn1.9Mn2+0.1Mn4+5O12•4(H2O)
Help on Environment: Environment: Oxidized material derived from the orebody outcrop.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1953
Help on Locality: Locality: Sterling Hill mine, Ogdensburg, Sussex County, New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Samuel Woodruff, late-nineteenth-century miner and mineral collector at Franklin, who collected and preserved many of the finest specimens found at that locality.
Help on Name Pronunciation: Name Pronunciation: Woodruffite + Pronunciation Say WOODRUFFITE