Chemical Formula: (Ca,Na)2(Y,REE)3Si6O18·2(H2O)
Help on Composition: Composition: Molecular Weight = 872.18 g
 
Hydrogen 0.46 % H 4.13 % H2O 0.00 %
Oxygen 36.69 % O 0.00 % 0.00 %
Sodium 1.32 % Na 1.78 % Na2O 0.00 %
Silicon 19.32 % Si 41.33 % SiO2 0.00 %
Calcium 6.89 % Ca 9.64 % CaO 0.00 %
Yttrium 22.94 % Y 29.13 % Y2O3 0.00 %
Rhenium 12.38 % RE 14.45 % REE2O3 0.00 %


100.00 % 100.46 %
 
Help on Empirical Formula: Empirical Formula: Ca1.5Na0.5Y2.25REE0.75Si6O18·2(H2O)
Help on Environment: Environment: Cyclosilicate with structural similarities to kainosite-(Y) and leifite. Found in an aplite-pegmatite lens
Help on Locality: Locality: Strange Lake perialkaline complex on the Quebec-Labrador border, Canada.. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: For Richard Geren (1917-), former executive vice-president of the Iron Ore Company of Canada. Mr. Geren initiated and supported the exploration program of the Strange Lake deposit
Help on Synonym: Synonym: IMA1993-034