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Sample n° 6404
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| GALENA | PbS | sulfides and sulfosalts | - | major | 
| SPHALERITE | ZnS | sulfides and sulfosalts | - | major | 
           Description
            
     
               Description:
               sample with sphalerite and galena in bright black crust in feldspar-bearing sandstone (radioactive sample)
            
                        
      Origin
    
   
  
    - Country: Gabon
 - Region: Mounana
 - Locality:
 
        Specification
    
    
      
    
 
    
  - 
          Donors: CahenDonation year: 1958
 - 
          Sampling year:Registration date:
 - 
          Quantity: 2Size: 10 x 6 cm, 11 x 8 cm
 
- 
          Dimension code 1>2>3: 1Quality code 1>2>3: 1
 - 
          Holotype: noParatype: noRadioactive: yes
 - 
          Thin section: noChemical analysis: noX-Ray spectra: yes