3 1 1 Elements of Mineralogy, 



100 parts of which afforded i of mercury, 

 i of filver, and the remainder iron, cobalt, 

 fulphur and arfenic. Miner alog* p. 392. 



1 2. Cinnabar mixed with arfenic or real- 

 gar is faid to be found in Japan. 3 Lin. <von 

 Gmelin, p. 65. At Morsfe/d, cinnabar and the 

 white calx of arfenic prefent themfelves in 

 the fame rock. Ibid; 



S H A P. IX. 



Zinc. 



i, Zinc is the moft malleable of all the 

 femi-metals ; its colour is nearly the fame as 

 that of lead ; its fpecific gravity is from 6,9 

 to 7*24 ; it is foluble in all acids, and its fo- 

 lution is colourlefs ; it melts at a lower heat 

 than filver or copper, but a higher than lead 

 or tin, and at the fame time inflames and 

 fublimes, forming a light white calx, called 

 flowers of zinc, which are very fixed in fire,, 

 foluble in acids. 



SPECIES I, 



2. This has not as yet been obferved ; that 

 mentioned by Bomare appears to have been 

 produced by art, 



