Winchell, Alexander N. <br/><br/>
Elements of optical mineralogy part 1/ 5th ed. 

 - 5th ed. 
 - New york  John willey &sons  1965 
<br/><br/><label>Subjects--Index Terms: </label>Elements of optical mineralogy  Chemical characters of minerals  Isotropic minerals 
<br/><br/><label>Dewey Class. No.: </label>549.12  / K5