Mineralogy Database

Coiraite Mineral Data

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General Coiraite Information

Help on Chemical  Formula: Chemical Formula: (Pb,Sn)12.5As3Sn5FeS28
Help on Composition: Composition: Molecular Weight = 4,256.03 gm
   Iron      1.44 %  Fe
   Silver    0.33 %  Ag
   Tin      17.29 %  Sn
   Arsenic   5.26 %  As
   Lead     54.57 %  Pb
   Sulfur   21.10 %  S
           100.00 % 
Help on Empirical Formula: Empirical Formula: Pb11.21Sn1.3As2.99Ag0.13Fe2+1.1Sn4.9S28
Help on Environment: Environment: Franckeite solid-solution series. Coiraite has two monoclinic sub-cells, Q (pseudotetragonal) and H (pseudohexagonal).
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Pirquitas mining district, Puna Region, Rinconada Department, Jujuy Province, Argentina. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Commission on New Minerals, Nomenclature and Classification (CNMNC)
Help on Synonym: Synonym: IMA2005-024