4-28 CHARACTERISTIC. CLASS II. 



H. = 5-0 ... 6-0. 

 G. = 2-8 ... 3-2. 



Amphibole. ii. 274. 



* r 



3. PRISMATOIDAL. Hemi-prismatic. _ = 70 33'- _ 



2 2 



= 63 43'. Inclination = 33'. 



Cleavage, _ = 64 36'. More distinct, r -f 05. 



H. = 6-0 ... 7-0. 

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



Epidote. ii. 282* 



4. PRISMATIC. Prismatic. 



Cleavage, perfect in two directions, one of them being 



more easily obtained. Inclination s= 95 25'. 

 H. = 4-5 ... 5-0. 

 G. = 2-7 2-9. 



Wollastonite. ii. 286. 



Acmite. iii. 67. 



Arfvedsonlte. iii. 73. 



Babingtonite* iii. 75. 



Indianite. iii. 113. 



Jeffersonite. iii. 115. 



Mangane&e-Spar ? J. iii. 122. 



Withamite. iii, 170. 



IV. AZUEE-SPAE. Tessular, prismatic. 

 Colour blue. 

 H. = 5O ... 6-0. 

 G. = 2-9 ... 8-1. 



1. DODECAHEDRAL. 



Cleavage, impejfect. 

 Colour bright. 

 Streak blue. 



