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Sample n° 13198
          Minerals found in the sample
          
            
	       
                
           
 
        
        
      
         | Mineral | Formula | Category | Subcategory | Importance | 
|---|---|---|---|---|
| GYPSUM | Ca(SO4)2H2O | sulfates | - | major | 
           Description
            
     
               Description:
               radial aggragate of spearhead crystals
            
                        
      Origin
    
   
  
    - Country: Algeria
 - Region: Biskra Province
 - Locality: Chott Bel Djebud
 
        Specification
    
    
      
    
 
    
  - 
          Donors: RaucqDonation year: 1974
 - 
          Sampling year:Registration date:
 - 
          Quantity: 1Size: 1
 
- 
          Dimension code 1>2>3: 1Quality code 1>2>3: 1
 - 
          Holotype: noParatype: noRadioactive: no
 - 
          Thin section: noChemical analysis: noX-Ray spectra: no