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	 Stenonite Mineral Data  |  |  | 
   
| General Stenonite  Information  | 
|  Chemical  Formula: | (Sr,Ba,Na)2Al(CO3)F5 | 
|  Composition: | Molecular Weight = 374.12 gm | 
|  | Barium     22.02 %  Ba   24.59 % BaO | 
|  | Sodium      1.23 %  Na    1.66 % Na2O | 
|  | Strontium  28.10 %  Sr   33.24 % SrO | 
|  | Aluminum    7.21 %  Al   13.63 % Al2O3 | 
|  | Carbon      3.21 %  C    11.76 % CO2 | 
|  | Oxygen     12.83 %  O | 
|  | Fluorine   25.39 %  F    25.39 % F | 
|  | -   %
  F   -10.69 % -O=F2 | 
|  | ______        ______ | 
|  | 100.00 %       99.57 % = TOTAL OXIDE | 
|  Empirical Formula: | Sr1.2Ba0.6Na0.2Al(CO3)F5 | 
|  Environment: | Contact zone between siderite�cryolite and fluorite-rich rocks. | 
|  IMA Status: | Approved IMA 1962 | 
|  Locality: | Ivigtut cryolite deposit, southwestern Greenland. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for Nicholaus Stenonis (Steno) (1638-1686), Danish scientist, who determined the constancy of interfacial angles of crystals. | 
|  Name Pronunciation: | Stenonite  + Pronunciation   | 
|  Synonym: | ICSD 201803 | 
|  | PDF 15-366 | 
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