Mineralogy Database

Franklinite Mineral Data

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General Franklinite Information

Help on Chemical  Formula: Chemical Formula: (Zn,Mn++,Fe++)(Fe+++,Mn+++)2O4
Help on Composition: Composition: Molecular Weight = 236.54 gm
   Manganese  18.58 %  Mn    9.00 % MnO / 16.69 % Mn2O3
   Zinc       16.59 %  Zn   20.65 % ZnO
   Iron       37.78 %  Fe    3.04 % FeO / 50.63 % Fe2O3
   Oxygen     27.06 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Zn0.6Mn2+0.3Fe2+0.1Fe3+1.5Mn3+0.5O4
Help on Environment: Environment: Zinc rich orebody weathered and later metamorphosed..
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1819
Help on Locality: Locality: Dominant ore mineral at Franklin and Sterling Hill, New Jersey, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after its locality which was named after Benjamin Franklin (1706-1790), American scientist and inventor.
Help on Name Pronunciation: Name Pronunciation: Franklinite + Pronunciation Say FRANKLINITE
Help on Synonym: Synonym: ICSD 81205
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