Read, H. H. <br/><br/>
Rutley's elements of mineralogy  26th ed. 

 - 26th ed. 
 - New Delhi  CBS Publishers and distributors  1984 
<br/><br/><label>Subjects--Index Terms: </label>Classification of minerals  Crystallography 
<br/><br/><label>Dewey Class. No.: </label>549  / L0