Serie of 6 agate slices on brass cubic stand
        
    
    
            
    
        
    
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            Brazilian agate geode, on sliding machine
        
    
    
            
    
        
    
            Red jasper slab with pyrite of Norway  (4kg)
        
    
    
            
    
        
    
            Gypsum crystal from France, 57cm on brass base
        
    
    
            
    
        
    
 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                