A'SYStEM Of 



after that to iron, and then to arfenic. The 

 two former cannot be feparated from one 

 another but by their fcorification, which is 

 eafily done, fince 

 ii. This femi-metal retains its phlogifton a 

 long time in the fire, and its calx is re- 

 duced by the help of a very fmall portion 

 of inflammable matter : It requires, how- 

 ever, a red heat before it can be brought 

 into fufion, and melts a little fooner, or 

 almoft as foon as copper or gold, conie- 

 quently fooner than iron. 



SECT. CCLV. 



The nickel is found. 



A. In form of a calx, Niccolum calciforme. Nickel 

 ochre, Ochra niccoli. 



i . Mixed with the calx of iron, Ochra niccoli 

 martialis. 



This is green, and is found in form of 

 flowers on Kupfernickel. In Normarken 

 in the province of Wermeland, this ochre 

 was found without any vifible nickel mixed 

 in the clay, which contained a great quan- 

 tity of native filver. Sedt. clxviii, 



SECT. CCLVI. 



B. Mineralifed nickel, Niccolum miner alifatum. 

 i. With fulphurated and arfenicated iron and 



cobalt, Niccolum ferro 6? cobalto arfenicatis 

 et fulphuratis miner alifatum. Cuprum nicolai 

 feu niccoli. Kupfernickel. 



This is of a reddifh yellow colour, and 

 is found 

 a. Of a flaggy texture, in Saxony. 



b, Fine^ 



