VOL. II. PLATE. VI. 



FIG. 31. Di-prismatic Lead-baryte. 



Pr. P. f Pr -f 2. (Pr +0o) 5 . 

 M t e u 



(Pr 4- oo)3. f> r + a. 



s I 



FIG. 32. Prismatoidal Antimony-glance. 



fP 2. Pr 1. (fPr 2) 3 . P. 

 s a e P 



(4p r __2)7. p+05. pr-f-oo. 



b m o 



FIG. 33. Serpentine. 



Pr. P. ?r + l. (?r) 5 . (fr+oo) 5 . 

 o P r n d 



?r -f QD. Pr -f x. 



& 5 



FIG. 34. Prismatic Topaz. 



p oo. IP l. (|fr I) 5 . P. 



P 5 07 



n y M I 



FIG. 35. Prismatic Antimony-glance. 



P OD. Pr. P. (Pr)*. (Pr)*. 

 ' k o P z a 



| P 4- 2. (Pr 4- oo) 3 . Pr 4- oo. 



b d r 



Pr 4- oo. 



s 

 FIG. 36, Prismatic Topaz. 



(I p r \y. P. Pr 4- 1. P 4- o>. 



x o n M 



(Pr 4- o>) 3 . Pr + 1. P. 

 I n' o'. 



