460 LIST OF MINERALS, THEIR 



foliated ; Dysodile ; Paper coal, 

 earthy, 

 peat. 

 COBALT. 



arseniate. Aright oblique-angled prism. M on T, 124. 

 arsenical. 



grey. A cube with regular modifications. 



white. A cube with irregular modifications similar 



to those of Iron pyrites, 

 oxide, black. 



ferriferous, brown, 

 yellow, 

 sulphate. 



stalactitic. 

 sulphuret. 



botryoidal. 

 amorphous. 



Coccolite, see Pyroxene, granular. 

 Cockle, of the Cornish miners, see Tourmaline. 

 COLLYRITE, or Kollyrite. 

 Colophonite, see Garnet. 

 Columbite, see Tantalite. 

 COMPTONITE. A right rectangular prism. M on a plane 



belonging to mod. class </, 135' 30'. 



CONDRODITE, or Chondrodite. No crystalline form discover- 

 able in any specimen I have seen. 

 Conite, see Lime, carbonate, magnesian. 

 Copal, fossil ; Highgate resin, see Bitumen. 

 COPPER. 



arseniatc. 



octahedral ; Linsenerz. An obtuse octahedron with 

 a rectangular base', Pon P', 72' 22 ; M on M', 

 61, as measured by W. P. 

 prismatic. 



right; crystallised; Olivenit. A right rhombic 

 prism ) M on M', about 111. 

 fibrous ; Wood copper, 

 compact, 

 oblique. An oblique rhombic prism , P or M 



or M', 95; M on M', about 56. 

 rhombic; Copper mica. An acute rhomboid^ Pon P', 

 69 30', as measured by Mr. W. Phillips on 

 some bright planes. 



arseniate of Copper and Iron ; Skorodite. A right 

 rhombic prism, M and M', 120*. 



