Douglas Bullis <br/><br/>
Crystals:  the science, mysteries, and lore 
Douglas Bullis 
 - 1st. 
 - New York  Crescent Books   1990 
<br/><br/><label>ISBN: </label>9780517689295 
<br/><br/><label>Dewey Class. No.: </label>549.18  / 2906