33 

 TOPAZ GROUP— Continued. 



Staurolite.-— Brown prisms on Quartz. 

 Log., Ireland. 



Do. Brown prisms., in mica-schist. 

 Loc, Ireland. 



Do. Brown prisms, in mica-schist. 

 Log., Ireland. 



Do. Fine prisms, in mica-schist. 

 Log., St. Gothard. 



Andalusite. — Large square prism, in granite. 

 Loc, Ireland. 



Do. {Chiastolite.) — Long prisms, in dark clay-slate. 

 Loc, Skiddaw. 



Do. (Do.) — White prisms, in dark clay-slate. 

 Log., Skiddaw. 



Kyanite. — Blue crystals in mica slate, with Garnets. 

 Log., India. 



Do. Blue lamellar mass. 



Log., Greiner, Tyrol. 



Do. White fibrous mass. 



Loc, Pfitschthal, Tyrol. 



Do. Blue crystalline mass. 



Loc, Zillerthal, Tyrol. 



Do. {Rhoitizite) — Grayish blue radiated mass. 

 Loc, Tyrol. 



TOURMALINE GROUP. 



TOURMALINE. — f Schorl.) — Long black prisms with white 

 quartz. 



Loc, Dartmoor. 



Do. (Do.) — Long black prisms in white Quartz. 

 Log., Dartmoor. 



Do. (Do.) — Very fine black crystals with Qiaartz. 

 Log., Bovey Tracey. 

 C 



