Mineralogy Database

Chelkarite Mineral Data

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General Chelkarite Information

Help on Chemical Formula: Chemical Formula: CaMgB2O4Cl2•7(H2O) (?)
Help on Composition: Composition: Molecular Weight = 347.01 gm
   Calcium    11.55 %  Ca   16.16 % CaO
   Magnesium   7.00 %  Mg   11.61 % MgO
   Boron       6.23 %  B    20.06 % B2O3
   Hydrogen    4.07 %  H    36.34 % H2O
   Chlorine   20.43 %  Cl   20.43 % Cl
                -   %   Cl   -4.61 % -O=Cl2   
   Oxygen     50.72 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CaMgB2O4Cl2•7(H2O)
Help on Environment: Environment: Insoluble residue of brines from a salt dome.
Help on IMA Status: IMA Status: Approved IMA 1968
Help on Locality: Locality: Chelkar salt dome, Ak-sat Valley, Uralsk district, Kazakhstan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.