MINERAL
            
                Active filters
            
            
        
    
            “Jeepite” block – Ohio, USADisplayed in a metal cage
        
    
    
            
    
        
    
            “Fordite” block – Ohio, USADisplayed in a metal cage
        
    
    
            
    
        
    
            “Jeepite” block – Ohio, USADisplayed under a glass dome
        
    
    
            
    
        
    
            Extra amethyst from Brazil (765g), displayed in a cage
        
    
    
            
    
        
    
            Amethyst from Uruguay (790g) in cage
        
    
    
            
    
        
    
            Amethyst from Uruguay (675g) in a cage
        
    
    
            
    
        
    
            Amethyst from Uruguay (600g) in 3D frame
        
    
    
            
    
        
    
            Open sphere amethyst (400g), in spinning brass stand
        
    
    
            
    
        
    
            Prism of gabbro from Madagascar (5.1kg) on brass base
        
    
    
            
    
        
    
            Prism of gabbro from Madagascar (6.2kg) on brass base
        
    
    
            
    
        
    
            Smoky quartz (615g) with recrystallization (Brazil), presented in a cage
        
    
    
            
    
        
    
            Gypsum from France (200g.) on black base
        
    
    
            
    
        
    
 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                