Mineralogy Database

Bellbergite Mineral Data

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General Bellbergite Information

Help on Chemical  Formula: Chemical Formula: (K,Ba,Sr)2Sr2Ca2(Ca,Na)4Al18Si18O72•30(H2O)
Help on Composition: Composition: Molecular Weight = 3,214.44 gm
   Potassium   1.58 %  K     1.90 % K2O
   Barium      1.28 %  Ba    1.43 % BaO
   Sodium      0.50 %  Na    0.67 % Na2O
   Strontium   6.54 %  Sr    7.74 % SrO
   Calcium     6.61 %  Ca    9.25 % CaO
   Aluminum   15.11 %  Al   28.55 % Al2O3
   Silicon    15.73 %  Si   33.65 % SiO2
   Hydrogen    1.88 %  H    16.81 % H2O
   Oxygen     50.77 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: K1.3Na0.7Ca5.3Sr2.4Ba0.3Al18Si18O72•30(H2O)
Help on Environment: Environment: Ca-rich xenoliths in leucite tephrite lava.
Help on IMA Status: IMA Status: Approved IMA 1993
Help on Locality: Locality: Bellberg volcano, Mayen, Laacher See area, Eifel, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Bellbergite + Pronunciation Say BELLBERGITE
Help on Synonym: Synonym: ICSD 64728
  IMA1990-057
  PDF 45-1482