PHYSIOGRAPHY. CLASS n. 



p. 272. Iron-Pyrites (in part). White Iron-pyrites. 

 PHILL. p. 217. 220. Strahlkies. Leberkies. Zelkies 

 (in part). Sparkies. Kamkies. WE UN. Hoffm. H. B. III. 

 2. S. 198. 202. 205. 210. Wasserkies. HAUSM. I. S. 149. 

 Strahlkies. LEONH. S. 328. Fer sulfure' (in part). 

 H-AUY. Traite', T. IV. p. 65. Fer sulfure aciculaire ra- 

 die 7 . Tabl. comp. p. 97- Fer sulfure' blanc. Traite, 

 T. IV. p. 68. 



Fundamental form. Scalene four-sided pyramid. 

 P = 125 16', 115 53', 89 11'. Vol. 1. Fig. 9. 

 HAUY. 



a : b : c = 1 : V 2 ' 4 : V 1-8. 



Simple forms. P (h) ; P + oo (1) = 98 13'* ; 

 (Pr + QD) 3 = 60 ; Pr (g) = 114 19' ; !Pr + oo 

 (P); Pr (M) = 106 36'.* 

 Char, of Comb. Prismatic. 

 Combinations. 1. Pr. P -f QD. Sim. Fig. 2. 



Derbyshire. 



%. ?r. P + oo. Pr -f oo. Sim. Fig. 9. Schemnitz, 

 Hungary. 



3. Pr. (Pr + oo) 5 . ?r -f QD. Sim. Fig. 8. 

 Derbyshire. 



4. f r. Pr. P + QD. Pr -f oo. The individuals of 

 Fig. 43. Littmitz. 



5. f r. P. P -f a. ?r + oo. Freiberg. 

 Cleavage Pr, rather perfect, traces of P -|- oo. Frac- 

 ture uneven. Surface, Pr streaked parallel to 

 the edges of combination with P, and generally 

 a little rough; (Pr+oo) 3 and fr-f oo deeply 



* According to measurements by Mr PHILLIPS, these angle 

 are, P -h 03 = 100 and Pr = 106 2'. 



