C 156 3 



Ore, mineralized 

 with ArfeniCjCop- 

 per, and Sulphur. 



6. Cinereum ; Grey Sil- 



ver Ore, minera- 

 lized with Sul- 

 phur, Antimony, 

 Copper, and Iron. 



7. Arfenicale; Silver Ore, 



mineralized with 

 Arfenic and Iron. 



8. Zincolum-, SilverOr^^ 



mineralized with 

 Sulphur and Zinc. 



9, Nigrum ; Sooty Silver 



Ore, mineralized 

 with Arfenic and 

 Copper, 



35. AuRUM. Gold. 

 I. Nativum Native \ 



a, 

 b. 

 c. 



various forms, 



GqU s found in | 



In thin plates or leaves. 

 Solid, or in thick pieces. 

 In a chryftalline form. 



Gold is alfo found inbedded in Quartz, in Tal 

 and Cinnabar 5 and in Rivers, in loofe grains and 

 lumps, called Gold Duft. 

 2. Mineralifatum ; Mi- j Gold Ore. 



neralized fyritical \ 



Clafs III. FOSSILIA. Fossils. 



Foffil bodies, originated from different modifi- 

 cations of the fubjeds, comprehended in the forg- 

 going clafTes. 



Order I. Petrificata. Such foflil bodies 

 as reprefent in figure certain animals or vegetables, 

 or parts thereof. 



What are called Petrifaftions are of various 

 kinds : 



I. The 



