SCORODITE. 149 



Oxide of Manganese 0-00 0-05. 



Soda 5-50 6-00. 



Loss 0-75 3-20. 



Saussurite, or Jade, occurs in primitive mountains, and 

 constitutes with several varieties of the species of parato- 

 rnous and hemiprismatic Augite-spar, the rocks called gabbro 

 and euphotide. It is found in large masses in the Monte 

 Rosa, and in its neighbourhood ; in Corsica ; in the Bacher 

 mountain in Lower Stiria, in Bayreuth, &c. 



SCORODITE. 



Skorodite. JAM. Syst VoL III. p. 547. Man. p. 329. 

 Martial Arseniate of Copper. Skorodite. PHILL. p. 

 320. 321. Skorodit. BHEITHAUPT. 



Prismatic. P rr 115 6', 102 1', 111 34'. Vol. L 

 Fig. 9. AP. 



a : b : c = 1 : V l ^ 8 V '7 92 - 



Simple forms. P oo (fr) ; P 1 = 134 37, 

 126 25', 72 4ff ; P (P) ; (Pr + cc) 3 (d) = 

 60 58' ; Pr + 1 (m) = 47 59' ; Pr 4- oo ; 

 ]?r + oo (r). 



Char, of Comb. Prismatic. 



Comb. 1. P GO. P. Loling, Carinthia. 



2. P oo. P. Pr-f-1. (Pr+a>) 3 . ?r+x. 

 Fig. 19. Loling. 



3. P l. P. Pr + 1. (fr-f-oo) 3 . Pr + OD. 

 Pr -f oo. Saxony. 



Cleavage. (Pr -f oo) 3 imperfect, traces of Pr + oo 

 and of Pr -f QD. Fracture uneven. Surface ; 

 P uneven and irregularly streaked parallel to its 

 own edges ; Pr 4- QD, partly also (Pr -f- GO)* in 

 a vertical direction. The rest of the faces com- 

 monly very smooth and even. 



