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	 Melanovanadite Mineral Data  |  |  | 
   
| General Melanovanadite  Information  | 
|  Chemical  Formula: | CaV++++2V+++++2O10•5(H2O) | 
|  Composition: | Molecular Weight = 493.91 gm | 
|  | Calcium    8.11 %  Ca   11.35 % CaO | 
|  | Vanadium  41.26 %  V    73.65 % V2O5 | 
|  | Hydrogen   2.04 %  H    18.24 % H2O | 
|  | Oxygen    48.59 %  O | 
|  | ______        ______ | 
|  | 100.00 %      103.24 % = TOTAL OXIDE | 
|  Empirical Formula: | CaV5+2V5+2O10•5(H2O) | 
|  IMA Status: | Valid Species (Pre-IMA) 1921 | 
|  Locality: | Mina Ragra (Minasragra), Jun�n, Cerro de Pasco, Pasco dept., Peru. Link to MinDat.org Location Data. | 
|  Name Origin: | From the Greek, Melano, "dark" and the composition. | 
|  Name Pronunciation: | Melanovanadite  + Pronunciation   | 
|  Synonym: | ICSD 202257 | 
|  | PDF 39-321 | 
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