Rutland, E. H. <br/><br/>
An introduction to the world's gemstones / 
E. H. Rutland. 
 - Garden City, N. Y. :  Doubleday,  1974. 
 - 192 p. :  ill. ;  27 cm. 
<br/><br/>p. 187-188. 
<br/><br/><label>ISBN: </label>0385051913 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones.