A SYSTEM OF 
226 
h It abforbs or expels the phlogifton, whicli 
has coloured glafles, if mixed with them? 
ia the fire. 
SECT. CCXXXIX. 
Arfeiiic is found, 
I. Native, Arfenicum nativum^ called S^herhen^ 
cobolt and Fliegenfiein by the Germans. 
It is of a lead colour when frefh broken^ 
and may be cut with a knife, like black lead^ 
but foon blackens in the air. It burns with a 
fmall flame, and goes off in fmoak. 
ji. Solid and teflaceous, Arfenicum nativum 
particulis impalpahilihus tejlaceum^ Scherben- 
cobolt, 
/ This is found in the mines of Saxony,, 
the Hartz, and Hungary. 
B, Scaly, Particulis micaceis^ from Winorn at 
Kongfberg in Norway. 
C. Friable and porous, Friabile et porofum, 
Fliegenfiein.- 
With Alining fiflTures, Fijfuris nitentibus^ 
from Annaberg in Saxony. 
This is by feme called Spigel Cobolt ^ 
(Miner a cohalti ffecularis) according to= 
their notions of the affinity of thefe me-*^ 
tals to one another. However, there al- 
ways remains after the volatilifation of 
ihe Scherbencobolt, fome calx, either of 
cobalt or bifmuth, and fome fiivery 
though in too fmali a quantity todeferve 
any notice.. 
SEC T. eeXL. 
2.. In form of a calx, Arfenicum calciforme.- 
A- Pure, or free from heterogeneous fub- 
ftances, Cah arfenki mtiva pura, 
i, Loofe 
