Winchell, Alexander N.  1874-1958 <br/><br/>
Elements of optical mineralogy :  an introduction to microscopic petrography / 
by Alexander N. Winchell ; with collaboration of Horace Winchell. 
 - 4th ed. 
 - New York:   London  John Wiley & sons,   Chapman & Hall  1951.  
 - xvi, 551 p. :  ill., tables ;  23 cm. 
 - Elements of optical mineralogy. IIDescriptions of minerals .
<br/><br/>Includes index (p. 533-551). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optical mineralogy
<br/><br/><label>Dewey Class. No.: </label>549.1