Oldershaw, Cally <br/><br/>
Firefly guide to gems  
 Guide to gems 
Cally Oldershaw 
 - Toronto, Ont. ;  Buffalo, N.Y. :  Firefly Books  2003 
 - 224 pages   color illustrations, color maps ;  20 cm 
<br/><br/> Includes index. 
<br/><br/>Foreword -- Introduction. Gem formation ; Mining ; Crystal structure ; Optical properties ; Physical properties ; Fashioning and cutting ; Imitation and synthetic stones ; Enhancement ; History of gems ; Famous diamonds ; Gemlore ; Birthstones -- Color key -- Classification -- Gems -- Maps of gem locations -- Glossary -- Useful addresses and acknowledgments. 
<br/><br/> A guide to gems and precious stones covers such topics as gem formation, structural properties, fashioning and cutting, and gem classification. 
<br/><br/><label>ISBN: </label>1552978141 9781552978146 
<br/><br/><label>ISSN: </label>9781552978146 
<br/><br/><label>LCCN: </label>2004556413 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Precious stones.<br/>Crystals.<br/>Gemmes.<br/>Cristaux.
<br/><br/><label>Dewey Class. No.: </label>553.8 Old   11