Mineralogy Database

Kurgantaite Mineral Data

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General Kurgantaite Information

Help on Chemical  Formula: Chemical Formula: CaSr[B5O9]Cl•(H2O)
Help on Composition: Composition: Molecular Weight = 378.64 gm
   Strontium  22.68 %  Sr   26.82 % SrO
   Calcium    10.69 %  Ca   14.96 % CaO
   Boron      14.27 %  B    45.97 % B2O3
   Hydrogen    0.53 %  H     4.76 % H2O
   Chlorine    9.74 %  Cl    9.74 % Cl
                -   %   Cl   -2.20 % -O=Cl2   
   Oxygen     42.09 %  O
             ______        ______ 
             100.00 %      100.04 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.01Sr0.98B5O8.96Cl1.04•(H2O)
Help on Environment: Environment: Insoluble residue of "sylvinite" rock in a core from the Nepskoye potash deposit, near Ust'-Kut, Irkutsk district, Russia.
Help on IMA Status: IMA Status: Approved IMA 2000 (Dana # Added)
Help on Locality: Locality: Western Kargan-tau, Inder uplift (Salt Dome), northern Caspian area, western Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality. Revalidated 2002 from a mineral described in 1952 and discredited in 1984.
Help on Synonym: Synonym: IMA2000-B
  Strontium Hilgardite