Mineralogy Database

Sazhinite-(La) Mineral Data

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General Sazhinite-(La) Information

Help on Chemical  Formula: Chemical Formula: Na3La[Si6O15]•2(H2O)
Help on Composition: Composition: Molecular Weight = 652.93 gm
   Potassium       0.12 %  K     0.14 % K2O
   Sodium         10.11 %  Na   13.62 % Na2O
   Strontium       0.13 %  Sr    0.16 % SrO
   Lithium         0.01 %  Li    0.02 % Li2O
   Calcium         0.49 %  Ca    0.69 % CaO
   Lanthanum       8.72 %  La   10.23 % La2O3
   Cerium          7.51 %  Ce    8.80 % Ce2O3
   Praeseodymium   0.43 %  Pr    0.51 % Pr2O3
   Yttrium         0.14 %  Y     0.17 % Y2O3
   Thorium         3.20 %  Th    3.64 % ThO2
   Zirconium       0.14 %  Zr    0.19 % ZrO2
   Uranium         0.36 %  U     0.41 % UO2
   Silicon        25.25 %  Si   54.02 % SiO2
   Boron           0.02 %  B     0.05 % B2O3
   Hydrogen        0.62 %  H     5.52 % H2O
   Sulfur          0.29 %  S     0.74 % SO3
   Neodymium       0.88 %  Nd    1.03 % Nd2O3
   Oxygen         41.17 %  O
   Fluorine        0.41 %  F     0.41 % F
                    -   %   F    -0.17 % -O=F2    
                 ______        ______ 
                 100.00 %      100.17 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na2.87K0.02Sr0.01La0.41Ce0.35Pr0.02Nd0.04Th0.09U0.01Y0.01Zr0.01Ca0.08Li0.01Si5.87S0.06 B0.01O14.8F0.14�2(H2O)
Help on Environment: Environment: Occurs in vesicles within the phonolite, together with other species crystallized from late-stage hydrothermal fluids. La-dominant analogue of sazhinite.
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Aris phonolite intrusion, Windhoek, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named as the La-dominant analogue of sazhinite.
Help on Name Pronunciation: Name Pronunciation: Sazhinite-(La) + Pronunciation Say SAZHINITE-(LA)
Help on Synonym: Synonym: IMA2002-042a