O'Donoghue, Michael. , <br/><br/>
Identification of gemstones / 
Michael O'Donoghue, Louise Joyner. 
 - xiii, 313 pages :  color illustrations ;  24 cm. 
<br/><br/><label>ISBN: </label>0750655127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones --Identification.
<br/><br/><label>LC Class. No.: </label>QE392   / .O36 2003