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Orthojoaquinite-(La) Mineral Data
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General Orthojoaquinite-(La) Information
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 Chemical Formula: |
Ba2Na(La,Ce)2Fe++Ti2Si8O26(OH,O,F)•H2O |
| Composition: |
Molecular Weight = 1,429.39 gm |
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Potassium 0.27 % K 0.33 % K2O |
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Barium 19.21 % Ba 21.45 % BaO |
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Sodium 1.77 % Na 2.38 % Na2O |
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Lanthanum 8.75 % La 10.26 % La2O3 |
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Cerium 7.84 % Ce 9.19 % Ce2O3 |
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Praeseodymium 0.99 % Pr 1.15 % Pr2O3 |
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Titanium 5.36 % Ti 8.94 % TiO2 |
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Manganese 0.38 % Mn 0.50 % MnO |
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Niobium 1.95 % Nb 2.79 % Nb2O5 |
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Iron 4.30 %
Fe 5.03 % FeO / 0.56 % Fe2O3 |
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Silicon 15.72 % Si 33.63 % SiO2 |
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Hydrogen 0.17 % H 1.51 % H2O |
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Neodymium 2.02 % Nd 2.35 % Nd2O3 |
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Oxygen 31.01 % O |
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Fluorine 0.27 % F 0.27 % F |
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- %
F -0.11 % -O=F2 |
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______ ______ |
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100.00 % 100.22 % = TOTAL OXIDE |
| Empirical Formula: |
Ba2Na1.1K0.1La0.9Ce0.8Nd0.2Pr0.1Fe2+Mn2+0.1Ti1.6Nb0.3Fe3+0.1Si8O26.3(OH)0.4
�(H2O)F0.2 |
| Environment: |
Occurs in a nepheline-sodalite syenite pegmatites. Joaquinite group |
| IMA Status: |
Approved IMA 2000 (Dana # Added) |
| Locality: |
Ilimaussaq alkaline complex, southern Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named as the La analog of orthojoaquinite. |
| Name Pronunciation: |
Orthojoaquinite-(La) + Pronunciation  |
| Synonym: |
IMA2000-D |
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