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	 Celsian Mineral Data  |  |  | 
   
| General Celsian  Information  | 
|  Chemical  Formula: | BaAl2Si2O8 | 
|  Composition: | Molecular Weight = 375.46 gm | 
|  | Barium    36.58 %  Ba   40.84 % BaO | 
|  | Aluminum  14.37 %  Al   27.16 % Al2O3 | 
|  | Silicon   14.96 %  Si   32.01 % SiO2 | 
|  | Oxygen    34.09 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | BaAl2Si2O8 | 
|  Environment: | Contact metamorphic rocks with significant barium. | 
|  IMA Status: | Valid Species (Pre-IMA) 1895 | 
|  Locality: | Imfeld-Binnental, Switzerland. Link to MinDat.org Location Data. | 
|  Name Origin: | Named after the Swedish astronomer and natural scientist, A. Celsius(1701-1744). | 
|  Synonym: | ICSD 25836 | 
|  | PDF 38-1450 | 
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