Read, Peter G. <br/><br/>
Beginner's guide to gemmology. 

 - London:  Newnes Technical Books,  1980. 
 - 234p.; 19cm 
<br/><br/>"N" 
<br/><br/><label>ISBN: </label>"0 408 00455 X" 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Precious stones.
<br/><br/><label>Subjects--Index Terms: </label>"Y" 
<br/><br/><label>Dewey Class. No.: </label>QE392  / .R43