* 
Mineralogy and Geology of a part of Nova Scotia. 153 
termine the composition of the vitreous copper, sim- 
ilar trials were made, which discovered nothing but copper, 
sulphur, and iron. This ore was called by the miners from 
lerz of the Germans.) But according to an accurate analy- 
sis which we have made of this ore, it is to be considered as 
shall give an account of the method pursued, although it 
possesses no claim to originality, but was purposely conduct- 
ed after the manner of this chemist. We are the more dis 
posed to do this, as many of our readers cannot have access 
to the work of Kapicth, which has become scarce, and 
may still wish to see the modus operandi exemplified. 
ANALYSIS. 
A specimen of the copper ore was selected, having the spe- 
eific gravity 5.7. It was sectile, possessing on the cut sur- 
face a brilliant metallic lustre, resembling polished steel, but 
more ofa lead grey appearance. It was carefully freed from 
the surrounding matrix and envelope of lignite, and reduced 
to er. 
A. Two hundred grains of this powder were introduc 
into a matrass, and pure muriatie acid affused upon it, which 
dissolved nothing, even when heated to boiling; shewing that 
the metals do not exist in the state of oxides, but in a metal- 
lic state. ong 
B. To the contents of the matrass while boiling, hot con- 
centrated nitric acid was added by drops, which at each ad- 
dition occasioned a violent effervescence, with the extrica- 
tion of red fumes. The acid was added until it ceased to 
produce action. A flocculent greyish white precipitate had 
20 
Vor. XV.—No. 1. 
