16 



211. SARDONYX. 



212. FLINT. 



tt 5 



213. HORNSTONE. 



214. 



215. BASANITE. 



fjj <> ^ 



216. JASPER. 



^ ZE. 



217. 

 218. 



219. 



'220. 



221. EGYPTIAN JASPER. 



222. RED JASPER. 



t H IE 



HL. XfZJ _li 



223. RIBAND JASPER. 



Scotia. 



Aachen. 

 B 5 i 



Bonn, Germ. 

 5 ' 



Freiberg. 



Baden. 

 5 



Sicily. 

 Brazil. 



Nova Scotia. 



;8n ^ ic 



Bohemia. 



m m m 



hyypt. 



Baden. 



054 



Ilmenau. 



224. QUARTZ SAND. 



Germany. 

 5 



