Pearl, Richard Maxwell,  1913- <br/><br/>
How to know the minerals and rocks/  
Richard Maxwell Pearl. 
 - New York :  McGraw-Hill,   1955. 
 - 192p. ; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy, Determinative
<br/><br/><label>LC Class. No.: </label>QE367