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Sample n° 6083
              Pictures
              
                
              
        
               
      
        
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| TOPAZ | Al2SiO4F2 | nesosilicates | - | major | 
           Description
            
     
               Description:
               large transparent yellowish crystal
            
                        
      Origin
    
   
  
    - Country: Rwanda
- Region: Gisenyi
- Locality: Kabaya
        Specification
    
    
      
    
 
    
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          Donors: MinétainDonation year: 1957
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          Sampling year:Registration date:
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          Quantity: 1Size: 2
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          Dimension code 1>2>3: 1Quality 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
