PHYSIOGRAPHY. 



Peridot. 



2. It is found in the Terra Amarilla and the Remolinos in Chili, along 

 with Green Malachite, and an unknown, blackish brown mineral with a 

 yellow streak. 



PEPONITE. 



Massive : composition lamellar, rarely columnar, impalpable. 

 Cleavage, apparently parallel to the sides of a rhombic prism. 

 Lustre pearly. Color lake, and mountain-green. Streak green- 

 ish white. Translucent, only on the edges. 

 Hardness = 2-0. Sp. gr. = 2-969. 

 Emits an argillaceous odor when moistened. 

 1. Locality not mentioned. 



PERIDOT. Prismatic Chrysolite. MOHS. 

 Primary form. Right rectangular prism. 

 Secondary form. 



Fig. 330. 



P on T or d 

 P on e 

 Pon 61 

 P on 62 

 Ton d 

 e on e' 

 62 on 62' 

 d on d / 

 d on a 



90 00' PHILLIPS. 



140 00 



132 52 



115 00 " 



130 00 



80 00 " 



130 00 " 



100 00 " 



160 00 " 



