Dietrich R V <br/><br/>
Gems, granites and gravels 
Dietrich R V; Skinner B J 
 - Cambridge  University Press          1990 
 - viii, 173p.  cm. 
<br/><br/><label>Standard No.: </label>46013 
<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, N0