ZIM, Herbert S.    SHAFFER, Paul R <br/><br/>
Rocks and minerals; a guide to familiar minerals, gems, ores and rocks 

 - New York :  Golden Press,  1957 
 - 160 p., il 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Metais preciosos<br/>Pedras preciosas
<br/><br/><label>Dewey Class. No.: </label>338.2