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	 Tugtupite Mineral Data  |  |  | 
   
| General Tugtupite  Information  | 
|  Chemical  Formula: | Na4AlBeSi4O12Cl | 
|  Composition: | Molecular Weight = 467.74 gm | 
|  | Sodium     19.66 %  Na   26.50 % Na2O | 
|  | Beryllium   1.93 %  Be    5.35 % BeO | 
|  | Aluminum    5.77 %  Al   10.90 % Al2O3 | 
|  | Silicon    24.02 %  Si   51.38 % SiO2 | 
|  | Chlorine    7.58 %  Cl    7.58 % Cl | 
|  | -   %
  Cl   -1.71 % -O=Cl2 | 
|  | Oxygen     41.05 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Na4AlBe(Si4O12)Cl | 
|  Environment: | Alkali-rich, silica-poor intrusive igneous rocks. | 
|  IMA Status: | Approved IMA 1962 | 
|  Locality: | Tugtup agatakorfia, Tunugdliarfik, Greenland. Link to MinDat.org Location Data. | 
|  Name Origin: | Named after its locality | 
|  Name Pronunciation: | Tugtupite  + Pronunciation   | 
|  Synonym: | ICSD 69958 | 
|  | PDF 38-472 | 
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