Prism of gabbro from Madagascar (2.7kg) on brass base
        
    
    
            
    
        
    
MINERAL
            
                Active filters
            
            
        
    
            Celestite geode – Madagascar (7 kg)
        
    
    
            
    
        
    
            Half agate geode (Brazil)2.5 kg – displayed on a brass base
        
    
    
            
    
        
    
            Brazilian agate slice (1.3kg) on brass base
        
    
    
            
    
        
    
            Pyrite dodecahedral from Peru (6kg) on brass base
        
    
    
            
    
        
    
            Chryzoprase in matrix of Tanzania on brass stand
        
    
    
            
    
        
    
            Ball of rhodonite from Madagascar (6.1kg) on brass base
        
    
    
            
    
        
    
 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                 
                                                                 
            
                                                                                                                                                