Read, Peter G. <br/><br/>
Gemmology / 
P. G. Read 
 - 3rd ed. 
 - Oxford :  Elsevier/Butterworth-Heinemann,  2005 
 - ix, 324 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0750664495 (pbk.)  RM146.62 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones<br/>Gems