Sorrell C A <br/><br/>
Rocks and minerals of the world 
Sorrell C A; Sandstrom G F 
 - London  Collins           1977 
 - 228p.  cm. 
<br/><br/><label>Standard No.: </label>49655 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Petrology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H2, L7