Mineralogy Database

Fettelite Mineral Data

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General Fettelite Information

Help on Chemical  Formula: Chemical Formula: [Ag6As2S7][Ag10HgAs2S8]
Help on Composition: Composition: Molecular Weight = 2,720.84 gm
   Thallium   0.08 %  Tl
   Iron       0.02 %  Fe
   Copper     0.09 %  Cu
   Silver    63.12 %  Ag
   Mercury    7.22 %  Hg
   Antimony   1.57 %  Sb
   Arsenic   10.05 %  As
   Lead       0.15 %  Pb
   Sulfur    17.70 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Ag15.92Cu0.04Pb0.02Fe2+0.01Tl0.01Hg0.98As3.65Sb0.35S15.02
Help on Environment: Environment: Hg-bearing species found in hydrothermal veins cutting basic intrusives of Variscan age.
Help on IMA Status: IMA Status: Approved IMA 1996 (Dana # Added)
Help on Locality: Locality: Nieder-Beerbach, Darmstadt, Odenwald, Germany and Cha´┐Żarcillo, Copiapo Province, Chile (museum specimen). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for M. Fettel, an experienced mineral collector who found the mineral.
Help on Name Pronunciation: Name Pronunciation: Fettelite + Pronunciation Say FETTELITE
Help on Synonym: Synonym: IMA1994-056