Mineralogy Database

Dufrenoysite Mineral Data

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General Dufrenoysite Information

Help on Chemical  Formula: Chemical Formula: Pb2As2S5
Help on Composition: Composition: Molecular Weight = 724.57 gm
   Arsenic  20.68 %  As
   Lead     57.19 %  Pb
   Sulfur   22.13 %  S
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Pb2As2S5
Help on Environment: Environment: An uncommon mineral of moderate to low-temperature hydrothermal origin.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1845
Help on Locality: Locality: Binnental, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Ours Pierre Armand Petit Dufrenoy (1792-1857), French mineralogist, National School of Mines, Paris, France.
Help on Name Pronunciation: Name Pronunciation: Dufrenoysite + Pronunciation Say DUFRENOYSITE
Help on Synonym: Synonym: ICSD 18122
  PDF 10-453
  Rathite-1a - dufrenoysite
  Rathite-I - Rathite or dufrenoysite