Mineralogy and Geology of Nova Scotia. 263 
some other metal; but on chemical examination, it was found 
to dissolve entirely in diluted nitric acid, and gave no precipitate 
when tested with muriate of soda, or when largely diluted with 
water, or when treated to excess of saturation with aqua ammo- 
niz. It does not contain, therefore, any gold, silver, antimony, 
or iron, the only metals suspected to be present. The copper is 
confined, exclusively, to the brecciated and amygdaloidal trap 
and never occurs in the superincumbent columnar rock. As it is 
never collected in any regular veins or beds, but is only scattered 
in small masses through the rock, it is probable that this metal 
will never be advantageously explored at this place; and as it 
occurs chiefly below the level of high water, the shafts would be 
liable to be filled at the periodical influx of the tide, if indeed the 
works were not entirely demolished by the violence of the cur- 
rents. The sanguine expectations excited by the appearance of 
this metal, in a state of purity, must then be disappointed. 
Masses of calcareous spar, and crystals of analcime, tinged 
green by the carbonate of copper, and having slender filaments 
of copper enclosed in them, occur in the cavities of the amygda- 
loid which rests on the trap-tuff. 
On the eastern side of Cape D’Or, the precipice assumes a 
concave form, and has received the characteristic appellation of 
Horse-shoe Coye. Here the cavities in the amygdaloid are of 
greater dimensions, and are frequently occupied by crystals of 
transparent analcime, which are grouped together in congeries of 
large and small crystals. 
Calcareous spar here occurs in long slender hexahedral prisms, 
projecting into and intersecting the cavities. They are curi- 
ously interwoven with each other, and are richly encrusted on 
their surfaces with small but perfect crystals of stilbite. The 
