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Sample n° 11814
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| PYRITE | FeS2 | sulfides and sulfosalts | - | major | 
| BIOTITE | K(Fe2+,Mg)3(AlSi3O10)(OH)2 | phyllosilicates | mica | minor | 
           Description
            
     
               Description:
               spots on greisen (6 cm)
            
                        
      Origin
    
   
  
    - Country: Czech Republic
- Region: Vysocina
- Locality: Dolni Bory
        Specification
    
    
      
    
 
    
  - 
          Donors: SteenstraDonation year: 1968
- 
          Sampling year:Registration date:
- 
          Quantity: 2Size: 2
- 
          Dimension code 1>2>3: 3Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: no
- 
          Thin section: noChemical analysis: noX-Ray spectra: no