Jensen, Mead L.. <br/><br/>
Economic Mineral Deposits /  

 - 3rd Ed. /  
 - New York-10158 :   John Wiley & Sons, Inc.. 
 - p.593 :  
<br/><br/><label>ISBN: </label>0-471-08228-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology <mineral>
<br/><br/><label>Dewey Class. No.: </label>H7  / M1;3