Gans, Roma <br/><br/>
Millions and millions of crystals 
/ by Roma Gans ; illustrated by Giulio Maestro 
 - 33 pages :  illustrations 
<br/><br/> Describes the characteristics, formation, and uses of various types of crystals. 
<br/><br/><label>ISBN: </label>0690540299 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystallography
<br/><br/><label>Dewey Class. No.: </label>548