MINERALOGY^- \ 
This is the common green vitriol, 
which naturally is found difToived 
in water, and is produced in abun- 
dance by decayed or calcined mar- 
cafites. 
2, Copper vitriol, blue vitriol, Vitrio- 
lum Veneris feu Cypricum. 
This is of a deep blue colour^ 
arid is found in all Ziment waters, 
as they are called ; for inftance, at 
Neufohl in Hungary, in St. Johan’s 
mine at Fahlun in the province of 
Dalarne, at Nya Kopparberget in 
Weftmanland, and the copper- 
mines at Wicklow in Ireland, &c. 
It is however feldom perfectly free 
from an admixture of iron and 
zinki 
3. Zink vitriol, Vitrioluni zinci. 
Is white and clear as alum, and 
is found at the Rammelfberg in the 
Hartz, as alfo in the rubbifh at 
Stollgrufvan in Weftmanland, where 
the mock lead has decayed either 
fpontaneoufly, or after having been 
burnt. 
SECT. CXXIIL 
b. Compound vitriols, Vitriola com* 
pofita. 
1. Vitriol of iron and copper, Vitrio- 
lum ferriim et cuprum conthmis. 
Is of abluifti green colour. 
2. Vitriol of iron) zinc, and copper, 
Vitriolim ferrum zincum et cuprum 
continens, 
K 2 
This 
