Counter weight machinery to open a geode
        
    
    
            
    
        
    
MINERAL
            
                Active filters
            
            
        
    
            Half agate geode (Brazil)2.5 kg – displayed on a brass base
        
    
    
            
    
        
    
            Labradorite slab (Madagascar)3.8 kg – displayed on a black base
        
    
    
            
    
        
    
            Serie of 6 agate slices on brass cubic stand
        
    
    
            
    
        
    
            Half-geode of septaria (0.9 kg) from Poland, in a vertical circular stand
        
    
    
            
    
        
    
            Blue and white quartz of Bahia (4.8kg) 
        
    
    
            
    
        
    
            Aragonite crusted pipe from Karlovy Vary
        
    
    
            
    
        
    
            Agate slice with crystallized heart from Brazil
        
    
    
            
    
        
    
            Chryzoprase in matrix of Tanzania on brass stand
        
    
    
            
    
        
    
            Cubic Pyrite in slate 10kg -  St Créac (France)
        
    
    
            
    
        
    
            Ball of rhodonite from Madagascar (6.1kg) on brass base
        
    
    
            
    
        
    
 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                