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Jorgensenite Mineral Data
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General Jorgensenite Information
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Chemical Formula: |
Na2(Sr,Ba)14Na2Al12F64(OH,F) |
Composition: |
Molecular Weight = 3,049.79 gm |
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Barium 15.76 % Ba 17.60 % BaO |
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Sodium 3.02 % Na 4.06 % Na2O |
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Strontium 30.17 % Sr 35.67 % SrO |
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Aluminum 10.62 % Al 20.06 % Al2O3 |
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Hydrogen 0.02 % H 0.22 % H2O |
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Oxygen 0.39 % O |
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Fluorine 40.02 % F 40.02 % F |
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- %
F -16.85 % -O=F2 |
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______ ______ |
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100.00 % 100.79 % = TOTAL OXIDE |
Empirical Formula: |
Na414(Sr0.75)14(Ba0.25)Al12F64.25(OH)0.75 |
Environment: |
In vugs and as fissure fillings in a cryolite deposit with other fluorides. |
IMA Status: |
Approved IMA 1995 (Dana # Added) |
Locality: |
Ivigtut cryolite deposit, Greenland Link to MinDat.org Location Data. |
Name Origin: |
Named for Vilhelm J�rgensen (1844-1925), cofounder, in 1870, of the cryolite factory at Ivigtut, Greenland. |
Name Pronunciation: |
Jorgensenite + Pronunciation |
Synonym: |
IMA1995-046 |
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