ORDEB V. GENEBA AND SPECIES. 419 



Streak green ... yellow. 

 H. = 1-0 ... 2-5. 

 G. = 2-5 ... 3-2. 



Streak green : G. = 2-6 and less; or 

 = 3-0 and more. 



1. RHOMBOHEDRAL. Rhombohedral. R = 68 45'. 



Cleavage, R co. 



Streak emerald-green, apple-green. 



H. = 2-0. 



G. =2-5 ...2-8. 



Hemi-prismatic Copper-Mica. J. ii. 178. 



2. PRISMATIC. Prismatic. 



Cleavage, P co. 

 Laminae flexible. 

 Streak pale, apple-greeto. 

 H. = 1-0 ... 1-5. 

 G. = 3-0 ... 3-2. 



Kupferschaum. WERNER. ii. 18(T. 



3. PYRAMIDAL. Pyramidal. P = 95 46', 143 2'. 



Cleavage, P co. 

 Laminae not flexible. 

 Streak green ... yellow. 

 H. = 2-0 ... 2-5. 

 G. = 3-0 ... 3-2. 



Uranite. ii. 182. 



II. COBALT-MICA. Hemi-prismatic. 



Cleavage parallel to the plane of inclination. 



H. = 2-5. 



G. = 2-9 ... 3-1. 



1. PRISMATIC. Hemi-prismatic. == 118 23'. Inclina- 

 tion = 9 47V- ?E = 55 9 f . 

 2- 



