Roberts, Willard Lincoln <br/><br/>
Encyclopedia of minerals 
by Willard Lincoln Roberts, Thomas J. Campbell, George Robert Rapp, Jr. 
 - 2nd edition 
 - New York  Van Nostrand Reinhold  1990 
 - 979 p. : ill. ; 28 cm. 
<br/><br/><label>ISBN: </label>0442276818 
<br/><br/><label>LCCN: </label>89-5633 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy--Dictionaries