Mineralogy Database

Tancoite Mineral Data

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General Tancoite Information

Help on Chemical  Formula: Chemical Formula: HNa2LiAl(PO4)2(OH)
Help on Composition: Composition: Molecular Weight = 287.86 gm
   Sodium      15.97 %  Na   21.53 % Na2O
   Lithium      2.41 %  Li    5.19 % Li2O
   Aluminum     9.37 %  Al   17.71 % Al2O3
   Phosphorus  21.52 %  P    49.31 % P2O5
   Hydrogen     0.70 %  H     6.26 % H2O
   Oxygen      50.02 %  O
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: LiNa2HAl(PO4)2(OH)
Help on IMA Status: IMA Status: Approved IMA 1979
Help on Locality: Locality: Tanco spodumene-bearing pegmatite mine at Bernic Lake, MB, Canada. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Tancoite Say TANCOITE
Help on Synonym: Synonym: ICSD 31274
  IMA1979-045
  PDF 33-602