MINERALOGY. 
1. Loofe or powdry. This fort is found at 
Giefshubel in Saxony, but is Golleded 
in a much purer Hate on the fides of the 
rock in fome mines. 
2. Indurated or hardened. This is found 
in form of white fcmi-tranfparent criilals, 
m fmall cavities within the Scherbenco- 
bolt, at Andreafberg in the Hartz, and 
in Saxony, but is very fcarceb 
SECT. CCXLL 
B* Mixed with fulphur, Calx atfenki futphuri 
mixta, 
I., Hardened. 
a. Yellow. Orpiment, Aufipipnentum^ 
from Hungary. 
h. Red. Native Realgar or Sandarachj 
from Hungary, Andreafberg in the 
Hartz, Saxony, and Rotendai in Elf- 
dalen in Sweden 
SECT. ccxLii. 
C. Mixed with the calx of tin, ill the tiii* 
grains. Sed. clxxxi. 
£). With fulphur and filver, in the Rotligul- 
den, or red filver ore. Sed. clxx. 
E. ' With calx of lead, in the lead^lpat. 
Sed. clxxxvi. ' 
F, With calx of cobalt, in the efHorefcence of 
cobalt. Sed.. ccxlviii, 
* The orpiment may perhaps be found naturally in lool^e 
ftaly powder, as it islometimes liiet within the (hops • Haw- 
®ver, 1 have only fesn the hardened fort in colkflions. 
0^2 S E C 1*. 
