%S4 A SYSTEM OF 



.L . ' • 

 SECT. CCLI. 



3, With fulphur, arfenic, and iron, Cobaltum 

 enm ferro fulphurato et arfenicato minera- 

 lifatiim* 



This refembles the arfenicated cobalt ore, 

 I being only rather of a whiter or lighter 

 colour. It is found 

 a. Coarfe-grained. 

 h Criftalliied. 



1. In a polygonal figure, with fhining, 

 furfaces, or Glanzkobolt . 



It occurs at Tunaberg in the pro- 

 vince of Sodermanland, partly of a 

 white or light colour, and partly of a 

 fomewhat reddifh yellow, 



SECT. CCLII. 



'4. With fulphurated and arfenicated nickel 

 and iron j fee Kupfernkkel, Seel:, eclvi. 



SECT. CCLIII. 



Observations on Cobalt, 



Since the glafs of cobalt* which has been entirely 

 freed from all arfenic in the calcination, and from 

 the iron and the other metals by fcorification, 

 as when it is prepared from criftalliied cobalt 

 Sowers, may by addition of phlogifton be melted 

 to a true cobalt regulus, which differs in its quali- 

 ties from all other metals ; there can be no reafon 

 for denying the cobalt a place among the femi-me- 

 f:&ls> as many authors even at this time do, not- 



withftanding 



