Mineralogy Database

Mummeite Mineral Data

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General Mummeite Information

Help on Chemical  Formula: Chemical Formula: Cu0.58Ag3.11Pb1.10Bi6.65S13
Help on Composition: Composition: Molecular Weight = 2,406.82 gm
   Copper    1.53 %  Cu
   Silver   13.94 %  Ag
   Bismuth  57.74 %  Bi
   Lead      9.47 %  Pb
   Sulfur   17.32 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Cu0.58Ag3.11Pb1.1Bi6.65S13
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Alaska mine, Poughkeepsie Gulch, Silverton, Colorado, United States. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named in 1986 for William G. Mumme (b.1936), Australian mineralogist.
Help on Name Pronunciation: Name Pronunciation: Mummeite Say MUMMEITE
Help on Synonym: Synonym: IMA1986-025