Hyrlbut, Cornelius s. <br/><br/>
Manual of mineralogy  19th ed. 

 - New York  John Wiley and Sons Ins  1959 
<br/><br/><label>Subjects--Index Terms: </label>X ray crystollography  Crystal habits and aggregates  Rock types 
<br/><br/><label>Dewey Class. No.: </label>549  / J9;L2