CHARACTERS OF THE SPECIES. 



191 



nclination of 

 Pon P' 

 Fig. 40. 



Sp. Gravity. 



Various Observations. 



4-66. 



4-8.. .5-3. 



3-9. ..4-0. 



61 20' 



86 10 

 73 43 



86 4 



Streak uncolored. 



Streak red. 



Opake. Iron-black. Lustre high ; 

 metallic. Crystals small, flat, cir- 

 cular tables, with alternate re- 

 entering and salient angles on 

 their edges. 



OBTUSE. 



Sp. Gravity. 



2-09. 



5-4.. .5-9. 



2-5. ..2-8. 

 (2-8.) 



Inclination of 

 PonP' 

 Fio-. 40. 



106 33' 



109 56 



105 5 

 (104 53J) 



(2-74. ..2-75.) (105 ) 

 (2-67.) (105 



(2-71. ..2-72.) 

 (2-7. ..2-71.) 



(2-68.. .2-69.) 

 (2-72.) 

 (2-69.) 

 (2-77.) 



(105 5 ) 



(105 8 ) 



(105 11 ) 



(105 13 ) 



(105 17 ) 



(105 43 ) 



Various Observations. 



Cleavage eminent. 



