|  |  | 
	 Cassiterite Mineral Data  |  |  | 
   
| General Cassiterite  Information  | 
|  Chemical  Formula: | SnO2 | 
|  Composition: | Molecular Weight = 150.71 gm | 
|  | Tin     78.77 %  Sn  100.00 % SnO2 | 
|  | Oxygen  21.23 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | SnO2 | 
|  Environment: | Granite pegmatites and alluvial placer deposits. | 
|  IMA Status: | Valid Species (Pre-IMA) 1832 | 
|  Locality: | Cornwall, Wales, Great Britain. Link to MinDat.org Location Data. | 
|  Name Origin: | From the Greek kassiteros - "tin." | 
|  Name Pronunciation: | Cassiterite  + Pronunciation   | 
|  Synonym: | ICSD 39173 | 
|  | PDF 41-1445 | 
|  | Staringite - Mixture with ferrotapiolite | 
|  | Tin Ore | 
|  | Wood Tin | 
|  |