Mineralogy Database

Clinoptilolite-K Mineral Data

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General Clinoptilolite-K Information

Help on Chemical  Formula: Chemical Formula: (Na,K,Ca)2-3Al3(Al,Si)2Si13O36•12(H2O)
Help on Composition: Composition: Molecular Weight = 2,830.35 gm
   Potassium   6.52 %  K     7.85 % K2O
   Sodium      0.69 %  Na    0.93 % Na2O
   Strontium   1.15 %  Sr    1.35 % SrO
   Calcium     0.06 %  Ca    0.08 % CaO
   Magnesium   0.16 %  Mg    0.27 % MgO
   Manganese   0.02 %  Mn    0.03 % MnO
   Aluminum    6.22 %  Al   11.74 % Al2O3
   Iron        0.06 %  Fe    0.08 % FeO
   Silicon    29.15 %  Si   62.37 % SiO2
   Hydrogen    1.71 %  H    15.28 % H2O
   Oxygen     54.27 %  O
             ______        ______ 
             100.00 %       99.98 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.85K4.72Ca0.04Sr0.37Mg0.19Fe2+0.03Mn2+0.01Al6.52Si29.38O72�24(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: Valid Species (Pre-IMA) 1923
Help on Locality: Locality: Decomposed basalt at a high point on ridge running east from Hoodoo Mountain, Wyoming, USA. From an off-shore borehole, Japan (Ogihara and Iijima, 1990). Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name reflects its inclined extinction and supposed similarity in composition to "ptilolite" (mordenite). K modifier added by zeolite nomenclatrue committee.
Help on Name Pronunciation: Name Pronunciation: Clinoptilolite-K + Pronunciation Say CLINOPTILOLITE-K
Help on Synonym: Synonym: Clinoptilolite