Gait Robert  I <br/><br/>
Exploring minerals and crystals 

 -  1972 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>63560 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerology
<br/><br/><label>Dewey Class. No.: </label>H1:15, L2