Mineralogy Database

Barstowite Mineral Data

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General Barstowite Information

Help on Chemical  Formula: Chemical Formula: Pb4(CO3)Cl6•(H2O)
Help on Composition: Composition: Molecular Weight = 1,119.54 gm
   Hydrogen   0.18 %  H     1.61 % H2O
   Lead      74.03 %  Pb   79.75 % PbO
   Carbon     1.07 %  C     3.93 % CO2
   Chlorine  19.00 %  Cl   19.00 % Cl
               -   %   Cl   -4.29 % -O=Cl2   
   Oxygen     5.72 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb4(CO3)Cl6•(H2O)
Help on Environment: Environment: Quartz-dolomite ore vein exposed to sea water at the base of the cliff.
Help on IMA Status: IMA Status: Approved IMA 1991
Help on Locality: Locality: Bounds Cliff, St. Endellion, Cornwall, England. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Richard William Barstow (1947-1982), Cornish mineral dealer.
Help on Name Pronunciation: Name Pronunciation: Barstowite + Pronunciation Say BARSTOWITE
Help on Synonym: Synonym: ICSD 411366
  IMA1989-057
  PDF 51-1520