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Sample n° 7085
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| POLYCRASE-(Y) | Y(Ti,Nb)2(O,OH)6 | oxides and hydroxides | - | major | 
           Description
            
     
               Description:
               sample with polycrase as bright black material and rust-coloured powder
            
                        
      Origin
    
   
  
    - Country: Brazil
- Region: Paraiba
- Locality: Picui, Frei Martinho Cabore
        Specification
    
    
      
    
 
    
  - 
          Donors: de AlmeidaDonation year: 1959
- 
          Sampling year:Registration date:
- 
          Quantity: 2Size: 3 x 3 cm
- 
          Dimension code 1>2>3: 3Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: yes
- 
          Thin section: noChemical analysis: noX-Ray spectra: yes