Cox, K. G. <br/><br/>
An introduction to the practical study of crystals and minerals and rocks / 
K. G. Cox 
 - London :  McGraw-Hill Book Company,  1988 
<br/><br/>Includes references and index. 
<br/><br/><label>ISBN: </label>0071001735 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals and rocks
<br/><br/><label>Dewey Class. No.: </label>549  / COX