Dietrich, R V Skinner, Brain J <br/><br/>
Gems, Granites, and Gravels  Knowing and using Rocks and Minerals 

 - New York  Cambridge University Press  1990 
 - p.173 
<br/><br/><label>ISBN: </label>9780521344449 
<br/><br/><label>Subjects--Topical Terms: </label> Mineral Chemistry  Crystal Realms  Ore Minerals 
<br/><br/><label>Dewey Class. No.: </label>549 D45G