

PTRITOLOGIA: 



O R, 



HISTORY 



O F T H E 



PYRITES, 



THE 



Principal Body in the Mineral Kingdom. 



In which are confidered its Names, Species, Beds, 

 and Origin •, its Iron, Copper, unmetallic Earth, 

 Sulphur, Arfenic, Silver, Gold, original Par- 

 ticles, Vitriol, and Ufe in fmelting. 



The whole compiled from a Collection of Samples ; 

 from vifiting Mines; from an intercourfe and Cor- 

 refpondence with Naturalifts and Miners; but chiefly 

 from a Courfe of Chymical Enquiries. 



With a Preface, containing an Account of the 



Advantages arifing from Mi.ie-works in general, and parti- 

 cular from thofe of Saxony. 



Tranflated from the German of X/n 



l £7 



J. F. H E N C K E L, 

 Late chief Director of trie Wines at Friberg in Saxony, 



LONDON : 



Printed for A. MiLLA^m the Strand; 

 And A. L i N d E, in Catherine- Street, in the Strand. 

 M.DCC.LVII. 



