Mineralogy Database

Thornasite Mineral Data

Search Webmineral :
  
Advertisment

General Thornasite Information

Help on Chemical  Formula: Chemical Formula: Na12Th3[Si8O19]4•18(H2O)
Help on Composition: Composition: Molecular Weight = 3,410.96 gm
   Sodium     8.09 %  Na   10.90 % Na2O
   Thorium   20.41 %  Th   23.22 % ThO2
   Silicon   26.35 %  Si   56.37 % SiO2
   Hydrogen   1.06 %  H     9.51 % H2O
   Oxygen    44.09 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na12Th3(Si8O19)4•18(H2O)
Help on IMA Status: IMA Status: Approved IMA 1987
Help on Locality: Locality: DeMix quarry, Mt. St. Hilaire, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for its composition (Thorium, Na, Si).
Help on Name Pronunciation: Name Pronunciation: Thornasite + Pronunciation Say THORNASITE
Help on Synonym: Synonym: ICSD 89792
  IMA1985-050
  PDF 40-506