PHYSIOGRAPHY. CLASS II. 



Char, of Comb. Tetarto-prismatic. 



Combinations. 1. _/. r . Pr+ ot>. 

 4 2 



Fig. 90. Dauphiny. 



2 /2^' -ffi -jll? -*<*>! 



4 4 ' 4 4 



r (^-fQD)^ Pr+<x. Fig. 89. Dauphiny. 



3 ^L r- l~ i^ r + ^ ._*^ -r^_! 



' ' "* ~~ 



. 

 ~ 



oo. Fig. 91. Cornwall. 



Cleavage. r -; traces of j L 5 one 



of them more distinct, and also of Pr -f- ce, 

 altogether indistinct and interrupted. Fracture 

 conchoidal, uneven. Surface, v rough, M irre- 

 gularly streaked, parallel to the edges of com- 

 bination with y ; r, but particularly #, deeply 

 streaked parallel to their common intersections ; 

 u and /, sometimes also T and P, streaked paral- 



