IMITATIONS AND How TO DETECT 



Fig. 47. Japanese Culture Pearl Attached to 

 an Oyster Shell. 



nacre and when the culture pearls are separated from the 

 shells they are joined to other domes of mother of pearl 

 of similar shape and size. They are then mounted in 

 jewelry in such a manner as to conceal the lower mother 

 of pearl portion. The Japanese culture pearls have a 



