Sinkankas, John <br/><br/>
Gemstones of North America / 
John Sinkankas 
 - New York :  Van Nostrand Reinhold Company,  1959 
 - 2 v. :  ill. (part col.) maps. ;  26  cm. 
<br/><br/> Vol. 2 has imprint: New York, Van Nostrand Reinhold 
<br/><br/>Bibliography: v. 1, p. 607-619; v. 2, p. 374-462 
<br/><br/><label>ISBN: </label>0442276273 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones--North America