Arem, Joel E.,  1943- <br/><br/>
Color encyclopedia of gemstones / 
Joel E. Arem 
 - 2nd ed. 
 - New York :  Chapman & Hall,  1987 
 - 1 v. (various pagings) :  col. ill., ;  28 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p. 236-238 
<br/><br/><label>ISBN: </label>0442208332  RM265.76 
<br/><br/><label>LCCN: </label>86-026759 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones--Dictionaries