A SYSTEM OF 
SECT. CCLL 
3. Wifh fulphur, arfenic, and iron, Col?altum_ 
cum ferro fulfhurato et arfenicato miner 
lifatum. \ 
This refembles the arfenicated cobalt ore, 
being only rather of a whiter or lighter 
colour. It is found 
a, Coarfe-grained, 
h, Criftalliied. 
I. 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. 
With fulphu rated and arfenicated nickel 
and iron j fee Kupfernickel^ Sed. cclvi. 
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 criilallifed cobalt 
flowers, 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 realon 
for denying the cobalt a place among the femi-me- 
as many authors even at this time do, not- 
with handing 
