Mineralogy Database

Bario-olgite Mineral Data

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General Bario-olgite Information

Help on Chemical  Formula: Chemical Formula: Na(Ba,Sr,Na,REE)PO4
Help on Composition: Composition: Molecular Weight = 223.77 gm
   Potassium    0.70 %  K     0.84 % K2O
   Barium      28.23 %  Ba   31.52 % BaO
   Sodium      10.99 %  Na   14.82 % Na2O
   Strontium   14.10 %  Sr   16.67 % SrO
   Calcium      0.18 %  Ca    0.25 % CaO
   Lanthanum    1.86 %  La    2.18 % La2O3
   Cerium       1.25 %  Ce    1.47 % Ce2O3
   Manganese    0.25 %  Mn    0.32 % MnO
   Phosphorus  13.84 %  P    31.72 % P2O5
   Oxygen      28.60 %  O
              ______        ______ 
              100.00 %       99.79 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na1.07K0.04La0.03Ce0.02Ca0.01Mn2+0.01Ba0.46Sr0.36(PO4)
Help on Environment: Environment: In the hyperagpaitic Palitra pegmatite. Ba-dominant analogue of olgite. Olgite is now a series name for bario- and strontio-olgite.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Mt. Kedykverpakhk, Lovozero alkaline massif, Kola Peninsula, Russia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the composition and relationship to olgite.
Help on Synonym: Synonym: Bari-olgite
  Bariolgite
  IMA2003-002
  Olgite - Ba bearing
  Olgite I