Mineralogy Database

Heulandite-Ba Mineral Data

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General Heulandite-Ba Information

Help on Chemical Formula: Chemical Formula: (Ba,Ca,K,Na,Sr)5Al9Si27O72•22(H2O)
Help on Composition: Composition: Molecular Weight = 2,990.65 gm
   Potassium   0.48 %  K     0.58 % K2O
   Barium     11.43 %  Ba   12.77 % BaO
   Sodium      0.25 %  Na    0.34 % Na2O
   Strontium   0.88 %  Sr    1.04 % SrO
   Calcium     1.89 %  Ca    2.64 % CaO
   Aluminum    8.08 %  Al   15.27 % Al2O3
   Silicon    25.36 %  Si   54.25 % SiO2
   Hydrogen    1.47 %  H    13.10 % H2O
   Oxygen     50.15 %  O
             ______        ______ 
             100.00 %       99.99 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ba2.49Ca1.41Sr0.3K0.37Na0.33Al8.96Si27O72•21.75(H2O)
Help on Environment: Environment: Accessory mineral in hydrothermal veins of the Kongsberg silver deposit type. Chemical zoning is frequent, with transitions to heulandite-Ca and heulandite-Sr.
Help on IMA Status: IMA Status: Approved IMA 2005 (Dana # Added)
Help on Locality: Locality: Northern Ravn�s prospect, southern Vinoren, 14 km NNW of Kongsberg town, Kongsberg ore district, Flesberg community, Buskerud county, Norway. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the Ba-dominant analogue of heulandite (heulandite-Ca).
Help on Name Pronunciation: Name Pronunciation: Heulandite-Ba + Pronunciation Say HEULANDITE-BA
Help on Synonym: Synonym: IMA2003-001