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Sample n° 12837
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| META-AUTUNITE | Ca(UO2)2(PO4)22-6H2O | phosphates | - | major | 
| COLUMBITE | (Fe,Mg,Mn)Nb2O6 | oxides and hydroxides | - | minor | 
| ZIRCON | ZrSiO4 | nesosilicates | - | minor | 
           Description
            
     
               Description:
               sample with yellow meta-autunite, metamict zircon
            
                        
      Origin
    
   
  
    - Country: Congo (RDC)
- Region: Orientale
- Locality: Mambasa, Mapembe
        Specification
    
    
      
    
 
    
  - 
          Donors: UnknownDonation year:
- 
          Sampling year:Registration date:
- 
          Quantity: 2Size: 8 x 5 cm, 7 x 4 cm
- 
          Dimension code 1>2>3: 2Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: yes
- 
          Thin section: noChemical analysis: noX-Ray spectra: no