VOL. II. PLATE IX. 



FIG. 48. Hemi-prismatic Sulphur. 

 |V -~- -|- P+ oo. (ft +00)' 



P n M I 



FIG. 49- Prismatic Scheelium-ore. 



*=J. Pr. _*L-1 P + o 

 2 2 



t u t' r 



Pr + OD. 



3f 



FIG. 50. Hemi-prismatic Kouphone-spar. 

 FIG. 51. Prismatic Borax-salt. 



o z P r M 



Pr + <x. 



T 

 FIG. 52. Hemi-prismatic Vitriol-salt. 



4 p _ O i5 r p ft r 



P x. li-TTJr. 15. p r . Zf 

 222 2 



6 g- v P o t 



P -f- QD. Pr + OD. 



y 



FIG. 5. Hemi-prismatic Lead-baryte. 



- T- T -T P + Q * ( fr + ^) 4 



V t v M r 



Pr + OD. 



