34 



^1 TOURMALINE GROUP— Continued. 



Tourmaline. — (Schorl. ) — coniiniied. 



636 Beautiful black crystal. 



Loc, Bovey Tracey. 



637 Do. (Do.) — Large black crystal. 



iioc, Bovey Tracey. 



Obs.. presented by Mrs. Chilcott. 



638 Do. (Do.) — Radiated mass in Quartz. 



Zoc, Caldbeck Fells. 



639 Do. (Do.) — Large embedded crystals in Quartz. 



Loc, Bovey Tracey. 



640 Do. (Do.) — -Embedded crystals in Quartz. 



Loc, Bovey Tracey. 



641 Do. (Do.) — -Part of a very large crystal. 



642 Do. (Do.) — Black prisms in Quartz. 



643 Do. (Do.) — Part of a large crystal. 



1244 Do. (Do.) — Black crystals with Quartz. 



Loc..^ Wallaroo mines, Australia. 

 Obs.^ presented by Mr. S. Higgs. 



644 Do. Green prism with Quartz. 



Loc, Goshen, Massachusetts. 



645 Do. Green prism with Quartz. 



ioc, Goshen, Mass. 



646 Do. Black and yellow prisms in Granite, 



Loc, Elba. 



647 Do. {Achroite). — Nearly colourless, hair-like prisms 

 in a cavity, after Orthoclase. 



Log., Rock Hill, St. Austell. 



Obs., presented by Mr. J. H. Collins. 



648 

 649 

 650 



BERYL GROUP. 



Beryl. — Large greenish-yellow prism. 



Do. Light green prisms, very brilliant. 



Do. Group of pale green hexagonal prisms. 

 Loc, Siberia. 



