Prism of gabbro from Madagascar (5.1kg) on brass base
        
    
    
            
    
        
    
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            Serie of 6 agate slices on brass cubic stand
        
    
    
            
    
        
    
            Black Tourmaline from Brazil (5.3 kg), black base
        
    
    
            
    
        
    
            Amazonite prism  (Madagascar), black base
        
    
    
            
    
        
    
            Boulder Opal (two parts) of 345g on black base  -Australia-
        
    
    
            
    
        
    
 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                