Chemical Formula: (Ca,Na)3(Ti,Al)Si2O7(F,OH)2
Help on Composition: Composition: Molecular Weight = 363.79 g
 
Hydrogen 0.14 % H 0.00 % 0.00 %
Oxygen 32.99 % O 0.00 % 0.00 %
Fluorine 7.83 % F 0.00 % 0.00 %
Sodium 1.58 % Na 0.00 % 0.00 %
Aluminum 1.85 % Al 0.00 % 0.00 %
Silicon 15.44 % Si 0.00 % 0.00 %
Calcium 30.30 % Ca 0.00 % 0.00 %
Titanium 9.87 % Ti 0.00 % 0.00 %

100.00 %
 
Help on Empirical Formula: Empirical Formula: Ca2.75Na0.25Ti0.75Al0.25Si2O7F1.5(OH)0.5
Help on Environment: Environment: Alkalic igneous rocks
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 Synonym: Synonym: Calcium rinkite
Goetzenite