i1 



LIMJE GR UP— Continued. 



Gypsum ( Selenite). — continued. 



Large nearly colorless specimen. 



Do. Pearly acicular crystals. 



Loc, Huel Hamblyn, Bridestow. 

 Obs.., Presented by Mr. R. Pearce. 



Do. Acicular crystals on lava. 

 Loc^ Vesuvius. 



Do. Crystallized mass, pearly lustre. 

 Loc, Niagara. 



Do. (Fibrous Gypsum, Satin Spar). — Long delicate 

 fibres, pearly lustre, translucent. 

 Loc, Derbyshire. 



Do. White, curved, fibrous. 

 Loc, Carrickfergus. 



Do. White, curved fibres. 



Loc, Watchett. 

 Do. White, straight fibres, pearly lustre. 



Loc , Chili. 



Obs., Presented by Mr. W. Tweedy. 



Do. Brown, straight fibres, translucent on edges. 

 Do. White fibrous mass. 



Loc, Penarth, Cardiff". 



Obs., Presented by the Rev. S. Rogers. 



Do. {Massive— Alabaster). — White, with lias clay. 



Loc, Watchett. 

 Do. White and compact. 



Loc, Watchett. 

 Do. Pink mass. 

 Do. White and red concretion. 

 Do. Massive white, compact. 



Loc , Kimaon, Himalayas. 

 Do. Massive, white, compact. 



Loc, Kimaon, Himalayas. 

 Fluor. — Large mass of purple crystals. 



Loc, Derbyshire. 

 Do. Very large purple cubes, with Gothite. 



Loc, Derbyshire. 



