OllDEB XI. GENERA AND SPECIES. 



H. = 3-5 ... 4-5. 

 G. = 4-4 ... 4-7- 



Rhomboidallron- Pyrites or Magnetic Pyrites. J. ii. 465. 



V. COPPER-PYRITES. Tessular, pyramidal. 

 Colour brass-yellow, copper-red. 

 H. = 3-0 ... 4-0. 

 G. = 4-1 ... 5-1. 



1. OCTAHEDRAL. Tessular. 



Cleavage, octahedron, very indistinct. 



Colour copper-red. 



H. = 3-0. 



G. = 4-9 ... 5-1. 



Variegated Copper. J. ii. 467. 



2. PYRAMIDAL. Hemi-pyramidal with inclined faces. P 



= 109 53', 108 40'. 

 Cleavage, P + 1 = 101 49', 126 11'. 

 Colour brass-yellow. 

 H. = 3-5 ... 4-0. 

 G. ^4-1 ...4-3. 



Pyramidal Copper-Pyrites. J. ii. 469. 



Cobalt Kies 9 J. iii. 88. 



Nickeliferous Grey Antimony. J. iii. 131. 



XI. ORDER. GLANCE. 



I. COPPER-GLANCE. Tessular, prismatic. 



Colour blackish lead-grey, steel-grey, black. 

 Cleavage, indistinct, not axotomous. 

 H. = 2-5 ... 4-0. 

 G. = 44 ... 5-8. 



