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	 Cancrinite Mineral Data  |  |  | 
   
| General Cancrinite  Information  | 
|  Chemical  Formula: | Na6Ca2Al6Si6O24(CO3)2 | 
|  Composition: | Molecular Weight = 1,052.50 gm | 
|  | Sodium    13.11 %  Na   17.67 % Na2O | 
|  | Calcium    7.62 %  Ca   10.66 % CaO | 
|  | Aluminum  15.38 %  Al   29.06 % Al2O3 | 
|  | Silicon   16.01 %  Si   34.25 % SiO2 | 
|  | Carbon     2.28 %  C     8.36 % CO2 | 
|  | Oxygen    45.60 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Na6Ca2Al6Si6O24(CO3)2 | 
|  Environment: | Alteration of nepheline in igneous rocks. | 
|  IMA Status: | Valid Species (Pre-IMA) 1839 | 
|  Locality: | Tunkinsk Mountains, west of Irkutsk in Siberia. Link to MinDat.org Location Data. | 
|  Name Origin: | Named after the Russian minister, E. F. Kankrin (1774-1845). | 
|  Name Pronunciation: | Cancrinite  + Pronunciation   | 
|  Synonym: | ICSD 20334 | 
|  | PDF 25-776 | 
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