442 CHARACTERISTIC. CLASS II. 



II. TELLURIUM. Form unknown. 



Colour tin-white. 

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

 G. = 6-1 ... 6-2. 



1. NATIVE. Massive. 



Tellurium. ii. 424. 



III. ANTIMONY. Rhombohedral, prismatic, 



Not malleable. 



Colour white, not inclining to red. 



H. = 3-0 ... 3-5. 



G. == 6-5 ... 10-0. 



1. RHOMBOHEDRAL. Rhombohedral. R = 117 15'. 



Cleavage, R w perfect. R. Traces of R 2 and 



P + co. 



H. = 3-0 ... 3-5, 

 G. = 6-5 ... 6-8. 



Antimony. ii. 426. 



2. PRISMATIC. Prismatic. 



Cleavage, P co. Pr. Less distinct, P 4- oe. 



H. = 3-5. 



G. = 8-9 ... 10-0. 



Prismatic Antimony or Antimonial Silver. J. ii. 427- 



IV. BISMUTH. Tessular. 



Colour silver-white, inclining to red. 

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

 G. = 9-6 ... 9'8. 



1. OCTAHEDRAL. Semi-tessular with inclined faces. 

 Cleavage, octahedron, perfect. 



Bismuth. ii f 430, 



