Michael O'donoghue <br/><br/>
The colour dictionary of gemstones and minerals 

 - N<br/> 
<br/><br/><label>ISBN: </label>0856134147 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>553.803  / ODO