Pearl, Richard M.,  1913- <br/><br/>
Gems, minerals, crystals, and ores :  the collector's encyclopedia / 
by Richard M. Pearl 
 - New York :  Odyssey Press,  1964 
 - 320 p. :  ill., plates ;  23 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 6.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones<br/>Mineralogy<br/>Crystals<br/>Gem cutting
<br/><br/><label>Dewey Class. No.: </label>549