Walter Schumann <br/><br/>
Gemstones of the world 

 - rev ed 
 - NAG Press, Great Britain  2001 
 - 280p 
<br/><br/><label>ISBN: </label>0 7198 0301 2 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Data Conversion Error: invalid accession number: 052218(531) <br/>Polytechnic - Jewellery
<br/><br/><label>Dewey Class. No.: </label>533.8 Sch