MINERALOGY. 131 



This is the common green vitriol, 

 which naturally is found diffolved 

 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, 

 and is found in all Ziment waters, 

 as they are called ; for inftance, at 

 Neulbhl in Hungary, in St. Johan's 

 mine at Fahlun in the province of 

 Dalarne, at Nya Kopparberget in 

 Weflmanland, and the copper- 

 mines at Wicklow in Ireland, &c. 

 It is however feldom perfectly free 

 from an admixture of iron and 

 zink. 



3. Zink vitriol, Vitriolum zinci. 



Is white and clear as alum, and 

 is found at the Rammelfberg in the 

 Harcz, as alfo in the rubbifh at 

 Stollgrufvan in Weflmanland, where 

 the mock lead has decayed either 

 fpontaneoufly, or after having been 

 burnt. 



SECT. CXXIIL 



b. Compound vitriols, Vitriola com- 

 pojita. 



1. Vitriol of iron and copper, Vitrio- 



XL. 



lum ferrum et cuprum continent. 

 Is of abluifh green colour. 



2. Vitriol of iron, zinc, and copper, 

 Vitriolum ferrum zincum et cuprum 

 continent. 



K 2 This 



