Mineralogy Database

Gotzenite Mineral Data

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General Gotzenite Information

Help on Chemical  Formula: Chemical Formula: (Ca,Na)3(Ti,Al)Si2O7(F,OH)2
Help on Composition: Composition: Molecular Weight = 363.79 gm
   Sodium     1.58 %  Na    2.13 % Na2O
   Calcium   30.30 %  Ca   42.39 % CaO
   Titanium   9.87 %  Ti   16.47 % TiO2
   Aluminum   1.85 %  Al    3.50 % Al2O3
   Silicon   15.44 %  Si   33.03 % SiO2
   Hydrogen   0.14 %  H     1.24 % H2O
   Oxygen    32.99 %  O
   Fluorine   7.83 %  F     7.83 % F
               -   %   F    -3.30 % -O=F2    
            ______        ______ 
            100.00 %      103.30 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ca2.75Na0.25Ti0.75Al0.25Si2O7F1.5(OH)0.5
Help on Environment: Environment: Alkalic igneous rocks.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1957
Help on Locality: Locality: Nyiragongo crater, Mount Shaheru, Kivu Province, Zaire. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Gustav Adolf Von Gotzen (1866-1910), German traveler and first European to climb Mt. Shaheru, North Kivu, Zaire.
Help on Name Pronunciation: Name Pronunciation: Gotzenite + Pronunciation Say GOTZENITE
Help on Synonym: Synonym: Calcium rinkite
  Goetzenite