Richard T Liddicoat <br/><br/>
Handbook of gem identification 

 - 12th ed 
 - Gemological Institute of America, California  c1989 
 - 364p 
<br/><br/><label>ISBN: </label>0-87311-021-8 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Polytechnic - Jewellery
<br/><br/><label>Dewey Class. No.: </label>553.8 Lid