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  Sample n° 8532
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| HYDROKENOELSMOREITE | [ ]2W2O6(H2O) | molybdates and tungstates | - | major | 
| WOLFRAMITE | (Fe2+,Mn2+)(WO4) | molybdates and tungstates | - | minor | 
           Description
            
       
           
    
               Description:
               altered black crystals with yellow alteration in vein quartz, with hydrokenoesmoreite (var. ferritungstite)
            
                         
                Information:
                Van Tassel, R., 1961. Ferritungstite et meymacite de Meymac, France, et d'Afrique centrale. Bulletin de la Société Belge de Géologie 70, 376-406.
                        
     
      Origin
    
   
  
    - Country: Rwanda
- Region: Kigali
- Locality: Musha
        Specification
    
    
      
    
 
    
  - 
          Donors: LhoestDonation year:
- 
          Sampling year:Registration date:
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          Quantity: 3Size: 2
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          Dimension code 1>2>3: 3Quality code 1>2>3: 1
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          Holotype: noParatype: noRadioactive: no
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          Thin section: noChemical analysis: noX-Ray spectra: no