Disilicates and Ring Silicates (Rock-Forming Minerals) (v. 1B)/ 
Deer,William Alexander 
 - 2 
 - London:  Geological Society,  1997. 
 - 629 
<br/><br/><label>ISBN: </label>1897799896 
<br/><br/><label>Dewey Class. No.: </label>549.6  / DEE/D