VOL. II. PLATE XX. 



FIG. 106. Pyramidal Manganese-ore. 



4 

 P 



FIG. 107. Pyramidal Manganese-ore. 



P 



FIG. 108. Pyramidal Scheelium-baryte. 



P ic^fp^r p , i 



12 " r 



P b 



FIG. 109. Pyramidal Copper-pyrites. 



P QD. P I. . . P+l 



2 2 



b P P' C 



FIG. 110. Fergusonite. 



p-o*. P. KL+.)J 

 2 



. i 5 r 



FIG. 111. Rhombohedral Alum-haloide. 



R QD. R. 



o R 



