Varley, E R  <br/><br/>
Sillimanite:   Andalusite, kyanite, sillimanite 

 - London:   Her Majesty Stationary Office,   1965 
 - v, 165p. 
 - Overseas geological surveys .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cyanite
<br/><br/><label>Universal Decimal Class. No.: </label>551.22(42)  / K5