 
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
           
            
          the scottish gemmological association
A selection of images
Gallery of images from Andrew Fellows workshop on Jade
 
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
    2 pieces of Namibian Quartz
Microscopy by Richard Weston, quartz from Ivan Williamson's personal collection
photographed by martin donoghue
gemstones cut by tom Herbst
 
              
              
                
                  
                  Tourmaline SRB
                      
                     
              
              
                
                  
                  Trigger design in Brazilian tourmaline (3.1 ct)
                      
                     
              
              
                
                  
                  Briar Rose design in pale tourmaline
                      
                     
              
              
                
                  
                  Two Ametrines showing the effects of colour separation
                      
                     
              
              
                
                  
                  Matching North by Northwest designs in pleochroic tourmaline (left) and synthetic emerald (right) ca. 1 ct
                      
                     
              
              
                
                  
                  Sepang design in Tanzanian mandarine garnet (1.7 ct)
                      
                     
              
              
                
                  
                  Green Flash design in Norwegian peridot (1.8 ct)
                      
                     
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
           
        
        
      
    
gemstones cut by lisa elser
Agates from the Cromartie Collection
Believed to all be from Burn Anne.  Images by Richard Weston
Scottish jewellery
Images reproduced with the kind permission of Alistir Tait and Helen Plumb
OTHER Agates
A selection of agate microscopy images from the studio of Richard Weston. Most of these images are of areas of only a few millimetres.

 
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
              
              
             
              
              
                
                  
                   
              
              
                
                  
                   
              
              
                
                  
                   
              
              
                
                  
                   
              
              
                
                  
                   
              
              
                
                  
                   
              
              
                
                  
                   
              
              
                
                  
                   
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
             
              
              
              
            