Bonewitz, Ronald Louis <br/><br/>
Rocks and minerals 

 - London  Dorling kindersley  2012 
 - 352p. 
 - Nature guide series .
<br/><br/><label>ISBN: </label>9781405375863 
<br/><br/><label>Universal Decimal Class. No.: </label>552.1  / BON  R