Mineralogy Database

Weloganite Mineral Data

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General Weloganite Information

Help on Chemical  Formula: Chemical Formula: Sr3Na2Zr(CO3)6•3(H2O)
Help on Composition: Composition: Molecular Weight = 814.16 gm
   Sodium      5.65 %  Na    7.61 % Na2O
   Strontium  32.29 %  Sr   38.18 % SrO
   Zirconium  11.20 %  Zr   15.13 % ZrO2
   Hydrogen    0.74 %  H     6.64 % H2O
   Carbon      8.85 %  C    32.43 % CO2
   Oxygen     41.27 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Sr3Na2Zr(CO3)6•3(H2O)
Help on Environment: Environment: Alkalic sill intruding an Ordovician limestone.
Help on IMA Status: IMA Status: Approved IMA 1968
Help on Locality: Locality: St. Michel quarry, Montreal Island, Quebec, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for William E. Logan (1798-1875), first director of the Canadian Geologic Survey.
Help on Name Pronunciation: Name Pronunciation: Weloganite + Pronunciation Say WELOGANITE
Help on Synonym: Synonym: ICSD 4241
  IMA1967-042
  PDF 27-790