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Jarlite Mineral Data
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General Jarlite Information
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 Chemical Formula: |
Na(Sr,Na,[ ])7(Mg,[ ])Al6F32(OH,H2O)2 |
| Composition: |
Molecular Weight = 1,393.57 gm |
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Barium 0.99 % Ba 1.10 % BaO |
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Sodium 3.30 % Na 4.45 % Na2O |
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Strontium 35.84 % Sr 42.38 % SrO |
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Lithium 0.10 % Li 0.21 % Li2O |
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Calcium 0.58 % Ca 0.80 % CaO |
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Magnesium 0.87 % Mg 1.45 % MgO |
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Aluminum 12.00 % Al 22.68 % Al2O3 |
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Hydrogen 0.33 % H 2.97 % H2O |
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Oxygen 2.64 % O |
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Fluorine 43.35 % F 43.35 % F |
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- %
F -18.25 % -O=F2 |
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______ ______ |
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100.00 % 101.15 % = TOTAL OXIDE |
| Empirical Formula: |
NaSr5.7NaCa0.2Li0.2Ba0.1Mg0.5Al6.2F31.8(H2O)2.3 |
| Environment: |
In vugs in a cryolite deposit with other fluorides. |
| IMA Status: |
Valid Species (Pre-IMA) 1933 |
| Locality: |
Ivigtut cryolite deposit, Greenland. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Carl Frederik Jarl (1872-19510, Formerly President of the Danish Cryolite Company, who first noted the mineral. |
| Name Pronunciation: |
Jarlite  |
| Synonym: |
ICSD 40143 |
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PDF 5-594 |
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