*., 



VOL. II. PLATE XXIX. 



FIG, 156. Dodecahedral Corundum. 



P 

 FIG. 157. Hexahedral Gold. 



FIG. 158. Tetrahedral Copper-glance. 

 O 



FIG. 159 and 160. Tetrahedral Boracite. 

 . D. 



P s n 



FIG. 161. Tetrahedral Copper-glance. 

 . D. Ci. j 



P 6 



