Read H H <br/><br/>
Rutley's elements of minerology 

 - Ed 26th 
 -  1970 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>44867 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mineralogy<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H1, L0