|  |  | 
	 Uzonite Mineral Data  |  |  | 
   
| General Uzonite  Information  | 
|  Chemical  Formula: | As4S5 | 
|  Composition: | Molecular Weight = 460.02 gm | 
|  | Arsenic  65.15 %  As | 
|  | Sulfur   34.85 %  S | 
|  | ______ | 
|  | 100.00 % | 
|  Empirical Formula: | As4S5 | 
|  Environment: | As intergrowths with realgar in the pore spaces of tuffaceous sediments in a caldera. | 
|  IMA Status: | Approved IMA 1985 | 
|  Locality: | Uzon caldera, Kamchatka, Russia. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for the locality. | 
|  Name Pronunciation: | Uzonite   | 
|  Synonym: | ICSD 16107 | 
|  | PDF 39-331 | 
|  | Usonite | 
|  |