Symes, R. F. <br/><br/>
Crystal and Gem. 

 -  Dorling Kindersley,  1991. 
 - 64 
 - Eyewitness Books .
<br/><br/><label>ISBN: </label>0-679-80781-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystals<br/>Gems<br/>Rocks and Minerals