13 



169. EOSE QUAETZ. 



Bavaria. 

 X v 



170. SMOKY QUAETZ. England. 



(With Specular Iron.) 



171. 



)) 

 172. 



)) 



173. BLUE QUAETZ. 



Magnet Cove, Arkansas. 

 -\[> ^ 



iL 7I> 



Sivitzerland. 

 Bucks Co., Pa. 



174. CAT'S-EYE. 

 3fi Ft ? 



175. 



Bavaria. 

 X v 



Ceylon. 



176. 



Bohemia. 



177. 



178. TIGEE EYE. 



Z/u nra x tl 



179. AVENTUEINE QUAETZ. 



Bavaria. 

 X v ^ 



Bohemia. 



m 



180. FEEEUGINOUS QUAETZ. Westphalia. 



5 ^ * S ffi 



181. QUAETZ. 



Thomaston, Georgia. 



182. CHALCEDONY. 



Iceland. 



