m 



TAB. CCCXXXIX. 



STANNUM sulphureum. 

 Sulphur et of Tin. 



Class 3. Metals. Order I. 



Gen. 5. Tin. Spec. 2. Sulphuret 



Div. 1. Amorphous. 



Syn. Tin Pyrites. Kirw. 2. 200. 



Sulphuret of Tin. Babington, Cat. 214'. 

 Zinnkiess. Emmerl. 2. 418. 

 Etain sulphure. Haiiy, 4. 154. 



This was, and still is, a rare substance, and is only yet 

 known as found in Cornwall ; first at St. Agnes in the time 

 of the celebrated Klaproth, in a vein about sixty feet below 

 the surface, and nine feet wide ; and since some has been 

 found at Huel Scoria. 



The upper specimen was brought from the former place, 

 and, according to Klaproth, was found in what is called 

 Growan by the Cornish miners, which is decomposed Feld- 

 spar of the Granite rocks: — see tab. 224. Rasp, whore- 

 sided in Cornwall at the time, gave it, because it contained 

 much Copper, the name of Bell Metal Ore. To Bell Metal 

 it bears some resemblance, and is brittle like that. In so 

 large a vein it must be supposed to vary a little, being 

 occasionally grayer or yellower, with more or less Copper. 

 Klaproth observes that Rasp's name would be more just if 

 there were a larger proportion of Copper to the Tin. The 



a 2 



