Mineralogy Database
  Search | 
About the mineralogy database | 
Contact 
  
       
          
               
      
        
     
  Sample n° 8767
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| BOLTWOODITE | (K,Na)(UO2)(SiO3OH)1,5H2O | nesosilicates | - | major | 
| URANINITE | UO2 | oxides and hydroxides | - | major | 
| AUTUNITE | Ca(UO2)2(PO4)210-12H2O | phosphates | - | minor | 
| QUARTZ | SiO2 | tektosilicates | - | minor | 
           Description
            
       
           
    
               Description:
               sample with black uraninite veinlets, yellow nodules of canary-yellow boltwoodite scales, yellow-green autunite
            
                         
                Information:
                Deliens, M., 1978. La chenevixite, la vauquelinite, la sterrettite et la boltwoodite, minéraux nouveaux pour les gisements de Shaba (Zaïre) et du Rwanda. Annales de la Société Géologique de Belgique 101, 111-119.
                        
     
      Origin
    
   
  
    - Country: Rwanda
- Region: Gisenyi
- Locality: Karago
        Specification
    
    
      
    
 
    
  - 
          Donors: Service Géologique du RwandaDonation year: 1960
- 
          Sampling year:Registration date:
- 
          Quantity: 1Size:
- 
          Dimension code 1>2>3: 2Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: yes
- 
          Thin section: noChemical analysis: noX-Ray spectra: yes