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Sample n° 2893
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| CHALCOCITE | Cu2S | sulfides and sulfosalts | - | major | 
| CUPRITE | Cu2O | oxides and hydroxides | - | major | 
| MALACHITE | Cu2(CO3)(OH)2 | carbonates | - | minor | 
           Description
            
     
               Description:
               oxidised ore
            
                        
      Origin
    
   
  
    - Country: Congo (Congo-Brazzaville)
- Region: Niari
- Locality: Yangakoubanza
        Specification
    
    
      
    
 
    
  - 
          Donors: Nève de MévergniesDonation year: 1948
- 
          Sampling year:Registration date:
- 
          Quantity: 1Size: 2
- 
          Dimension code 1>2>3: 3Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: no
- 
          Thin section: noChemical analysis: noX-Ray spectra: no