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  Sample n° 11836
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| MUSCOVITE | KAl2(Si3Al)O10(OH)2 | phyllosilicates | mica | major | 
           Description
            
       
           
    
               Description:
               grey-green block (5 cm) with conchoidal fracture, var. ivigtite (sericite)
            
                         
                Information:
                specimen from type locality
                        
     
      Origin
    
   
  
    - Country: Denmark
- Region: Greenland
- Locality: Ivigtut
        Specification
    
    
      
    
 
    
  - 
          Donors: LhoestDonation year: 1968
- 
          Sampling year:Registration date:
- 
          Quantity: 1Size: 2
- 
          Dimension code 1>2>3: 3Quality code 1>2>3: 1
- 
          Holotype: noParatype: noRadioactive: no
- 
          Thin section: noChemical analysis: noX-Ray spectra: yes