26 
[Assembly 
Within the distance of four or five miles from the localities just 
noticed, several other valuable beds of magnetic iron have been 
opened. Of these, the most important are the Finch bed, which is 
in fact a continuation of the Arnold bed, and those known by the 
names of the Winter, the Peck^ and the Cook ore beds. The ore 
from these localities is generally good, although they yield some- 
what variable proportions of iron. All of them would be consider- 
ed rich and valuable, were it not for the very high standard of pu- 
rity which the Arnold ore has established. 
I find in Berthier's Traite des Essais par la Voie Seche, the fol- 
lowing analysis of a specimen of iron ore from the neighborhood 
of Clintonville, but the particular locality is not given. The mine- 
ral is described as having a lamellar structure, a red powder, and 
containing a mixture of red stony particles, resembling feldspar. 
Analysis of Magnetic Oxide of Iron from near Clintonville, by 
Berthier, 
Protoxide of iron, 0 . 179 
Peroxide of iron, 0.818 
Gangue, 0.003 
1.000 
Proportions of metallic iron by assay, 0.705. 
In the south-western part of Clinton county, near Sampson's 
pond, is a bed of magnetic iron, which is known by the name of the 
proprietor, Mr. Duncan. 1 regret that I have not yet received spe- 
cimens of this ore, especially as its analysis is a matter of some im- 
portance. Mr. Duncan informs me, that he has tried the ore with- 
out any previous preparation except pounding, and after various 
preliminary operations, as separation by magnets, washing, roast- 
ing, &c. with nearly the same results. " It works well in the fire, 
makes iron fast, and yields as much as most ores, but it is good for 
nothing on account of cracks and flaws. The iron generally 
breaks into short pieces when hammered, and at some degrees of 
heat (for instance, cherry red,) appears to have much less strength 
than at different ones." 
From this description, the iron appears to be of that kind called 
red or hot short ; a peculiarity, which has been generally ascribed 
to the presence of sulphur. 
