Gait, Robert I. <br/><br/>
Exploring minerals & crystals / 
Robert I. gait 
 - Toronto :  Mcgraw-Hill Ryerson,  1972 
 - 119 p. :  ill. (some col.) ;  30 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0770003451 :  USD 7.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy<br/>Crystals
<br/><br/><label>Dewey Class. No.: </label>549