Dietrich, R. V.  1924-. <br/><br/>
Stones :  their collection, identification, and uses / 
R. V. Dietrich. 
 - San Francisco :  W. H. Freeman,  1980. 
 - A Series of books in geology .
<br/><br/> Includes index. 
<br/><br/>Bibliography : p.135-138. 
<br/><br/><label>ISBN: </label>0716711389 0716711397 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rocks.<br/>Stone.