350 On Metallic Minerals. 



SUI.PHURET OF IRON. — IRON PYRITES, 



IRON, SULPHUR. 



Only the most remarkable deposits of this species will 

 be mentioned. 



Sulphuret of Iron, — An island on the south shore of Drum- 



raond's Island, Lake Huron, has been 

 described as almost entirely composed 

 of it. It is also found in large quan- 

 tities on an island off the north coast 

 of Drummond Island. 

 ,, on an island in the eastern partofNeep- 



igon Bay, Lake Superior. 

 , , at Becketts Mills, Short Hills, Niagara 



District — a large bed. 

 , . in the township ot Elizabeth — a large bed 



. , in the township of Yonge,U.C. (Note 16.) 



, , on Lake Ontario near Kingston, with 



sulphuret of zinc and sulphuret of 

 strontian. 

 , . with magnetic iron, in the township of 



Marmora, U. C. 

 ^ . , in a course limestone conglomerate, which 



forms a precipice on the northern side 

 of the town of Quebec, the three follow- 

 ing varieties of iron pyrites are found, 

 viz : — 1st, polyhedral shaded masses, 

 about the size of a bullet. 

 2d, radiated iron pyrites. 

 3d, hepatic iron pyrites. These varie- 

 ties are found in a species of shale, 

 much decomposed, which often sur- 



