208 A SYSTEM OF 



L It unites with fulphur by grinding, and 

 then produces a black powder, called 

 <ethiops mineralise which fublimes into a 

 red itriated body, called factitious cin- 

 nabar. 



k. The fulphur is again feparated from the 

 quickfilver, by adding iron or lime, to 

 which the fulphur attaches itfelf, leaving 

 the quickfilver to be diftilled over in a 

 metallic form •, but if a fixed alcali is added 

 to it, fome part of the quickfilver will re- 

 main in the refiduum, and in that cafe 

 makes a liver of fulphur. 



SECT. CCXVII. 



Quickfilver is found, 



A. Native, or in a metallic ftate, Mcrcurins na- 

 tivus y virgineus. 



This is found in the quickfilver mines at 

 Idria in Friuli, or the Lower Auftria, in 

 clay, or in a black flaty lapis ollaris, out of 

 which it runs, either fpontaneoufly, or by 

 being warmed even in the hands. It has fe- 

 veral times been found at Herr Sten's Bottn, 

 in the mines of Salberg, in Weflmanland, and 

 fometimes alfo amalgamated with native filver. 



SEC T. CCXVIIL 



< 



B. Mineralifed, Mercurius miner alifatus, 



i. With fulphur, Mer cur his fulphur e mlnera* 

 lifatus, Cinnabar, Cinnabar is naliva. 



This is of a red colour, and its fpecifk 

 gravity'to water is as 7500 : : 1000. 

 a. Loofe or friable cinnabar, Cinnabaris 

 friabiHs, looks like red ochre. 



Iz 



