Mineralogy Database

Clinoptilolite-Ca Mineral Data

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General Clinoptilolite-Ca Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na,K)2-3Al3(Al,Si)2Si13O36•12(H2O)
Help on Composition: Composition: Molecular Weight = 2,742.13 gm
   Potassium   1.50 %  K     1.80 % K2O
   Sodium      1.48 %  Na    1.99 % Na2O
   Calcium     2.78 %  Ca    3.89 % CaO
   Magnesium   0.15 %  Mg    0.25 % MgO
   Aluminum    6.61 %  Al   12.49 % Al2O3
   Silicon    29.91 %  Si   63.98 % SiO2
   Hydrogen    1.74 %  H    15.57 % H2O
   Oxygen     55.84 %  O
             ______        ______ 
             100.00 %       99.97 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca1.9Na1.76K1.05Mg0.17Al6.72Si29.2O72•23.7(H2O)
Help on Environment: Environment: Most commonly formed as a devitrification product of silicic volcanic glass from tuffs. Also occurs in cavities in rhyolites, andesites, and basalts.
Help on IMA Status: IMA Status: Approved IMA 1977 (Dana # Added)
Help on Locality: Locality: Kuruma Pass, Fukushima Prefecture, Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek klino - "oblique" ptylon - "feather" and lithos - "stone.." The Ca-dominant member of the clinoptilolite series.
Help on Name Pronunciation: Name Pronunciation: Clinoptilolite-Ca + Pronunciation Say CLINOPTILOLITE-CA