CONTENTS. 



xxx u 



SECT 



Mineral ifed arfenic 1 



A. With fulphur and iron. I 



The Arfenical pyrites r CCXLIII; 



B. With iron.The Mijfpickel j 



or plate mundic -* 



C. With cobait,in moft of the 7 



cobalt ores \ CCXLIV." 



D. With filver J 



E. With copper • 



F. With antimony- 

 j. Cobalt 



CCXLIV. 

 CCXLVI. 



CCXLVIL 





1. In form of calx 



A. With iron without arfenic 



1. Loofe or friable. Co- 



balt ochre 



2. Indurated. Schlacken, or' 



jlaglike cobalt 



B. With the calx of arfenic. ~) 



Cobalt blood 

 i . Loofe or friable. Efflo- I 



refcence of cobalt > CCXLVIII, 



2. Indurated and criflal- 



Iifed. Flowers t>f co- 



balty and cobalt blood 



2. Mineralifed ^ 

 A. With arfenic and iron in i 



a metal] ic form I 



1. Granulated ^ 



2. Fine grained 



3. Coarfe grained 



4. Criftallifcd J 

 Z>. With fulphu rated iron 



1. Criilallifed 



C. With fulphur, arfenic, and iron 

 i, Coarfe grained 



2. Qriftallifed 



D. With fulphurated and arfenicated 



iron and nickel ■ CCLII. 



G. Nickel . CCLIV. 



1. In form of calx. Nickel ochre CCLV. 



CCXLIX. 



CCL. 



CCLI. 



2. Mineralifed 



