Mineralogy Database

Gmelinite-Ca Mineral Data

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General Gmelinite-Ca Information

Help on Chemical Formula: Chemical Formula: (Ca,Na2)Al2Si4O12•6(H2O)
Help on Composition: Composition: Molecular Weight = 2,083.67 gm
   Potassium   0.21 %  K     0.25 % K2O
   Sodium      0.86 %  Na    1.16 % Na2O
   Strontium   5.68 %  Sr    6.71 % SrO
   Calcium     3.96 %  Ca    5.54 % CaO
   Aluminum   10.13 %  Al   19.13 % Al2O3
   Silicon    22.23 %  Si   47.55 % SiO2
   Hydrogen    2.25 %  H    20.08 % H2O
   Oxygen     54.69 %  O
             ______        ______ 
             100.00 %      100.43 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2.06Sr1.35Na0.78(K)0.11Al7.82Si16.49O48•23.23(H2O)
Help on Environment: Environment: Alteration product of basalts.
Help on IMA Status: IMA Status: Approved IMA 1982 (Dana # Added)
Help on Locality: Locality: Montecchio Maggiore, Vicenza, Italy. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after the German mineralogist and chemist, Christian Gottlob Gmelin (1792-1860) of Turbingen, Germany. The Ca-dominant member of the gmelinite series.
Help on Name Pronunciation: Name Pronunciation: Gmelinite-Ca + Pronunciation Say GMELINITE-CA