Mineralogy Database

Fangite Mineral Data

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General Fangite Information

Help on Chemical  Formula: Chemical Formula: Tl3AsS4
Help on Composition: Composition: Molecular Weight = 816.34 gm
   Thallium  75.11 %  Tl
   Arsenic    9.18 %  As
   Sulfur    15.71 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Tl3AsS4
Help on Environment: Environment: Found in vugs with pyrite an other sulfide material of complex composition.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Mercury gold deposit in the southern Oquirrh Mountains of Tooele County, Utah, USA. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Fangite was named for Jen-Ho Fang in honor of his numerous contributions to crystallography, crystal chemistry, and geostatistics.
Help on Name Pronunciation: Name Pronunciation: Fangite Say FANGITE
Help on Synonym: Synonym: ICSD 74007
  IMA1991-047
  PDF 46-1402