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	 Litidionite Mineral Data  |  |  | 
   
| General Litidionite  Information  | 
|  Chemical  Formula: | KNaCuSi4O10 | 
|  Composition: | Molecular Weight = 397.97 gm | 
|  | Potassium   9.82 %  K    11.83 % K2O | 
|  | Sodium      5.78 %  Na    7.79 % Na2O | 
|  | Copper     15.97 %  Cu   17.98 % Cu2O | 
|  | Silicon    28.23 %  Si   60.39 % SiO2 | 
|  | Oxygen     40.20 %  O | 
|  | ______        ______ | 
|  | 100.00 %       97.99 % = TOTAL OXIDE | 
|  Empirical Formula: | KNaCuSi4O10 | 
|  IMA Status: | Valid Species (Pre-IMA) 1880 | 
|  Locality: | Vesuvius, Campania, Italy. Link to MinDat.org Location Data. | 
|  Name Origin: | Named from the Greek "LITHIDIOS" = lapilli, in allusion to the morphology. | 
|  Name Pronunciation: | Litidionite  + Pronunciation   | 
|  Synonym: | ICSD 4362 | 
|  | Lithidionite | 
|  | PDF 29-1041 | 
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