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	 Dreyerite Mineral Data  |  |  | 
   
| General Dreyerite  Information  | 
|  Chemical  Formula: | BiVO4 | 
|  Composition: | Molecular Weight = 323.92 gm | 
|  | Vanadium  15.73 %  V    28.07 % V2O5 | 
|  | Bismuth   64.52 %  Bi   71.93 % Bi2O3 | 
|  | Oxygen    19.76 %  O | 
|  | ______        ______ | 
|  | 100.00 %      100.00 % = TOTAL OXIDE | 
|  Empirical Formula: | Bi(VO4) | 
|  Environment: | Rhyolitic tuffs, intercalated with carbonaceous matter and silicified wood. | 
|  IMA Status: | Approved IMA 1981 | 
|  Locality: | Hirschhorn, near Kaiserlautern, Rhineland-Palatinate, Germany. Link to MinDat.org Location Data. | 
|  Name Origin: | Named for Gerhard Dreyer, Assistant Professor, Johannes Gutenberg University, Mainz, Germany, who found the mineral. | 
|  Name Pronunciation: | Dreyerite  + Pronunciation   | 
|  Synonym: | ICSD 100733 | 
|  | PDF 14-133 | 
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