Zim, Herbert S.,  1910-1994, <br/><br/>
Minerals:   their identification, uses, and how to collect them / 
by Herbert S. Zim. 
 - 368 pages  illustrations 
<br/><br/> Grades 7 and up. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy.<br/>Rocks<br/>Collectors and collecting.<br/>Minerals--Collection and preservation.