38 
SALOON. 
Nat. Hist. 
varieties of this species is the foliated from Corn¬ 
wall.—The grey copper ore (fahl-ore), crystal¬ 
lized, massive, and dissemi ated in various sub¬ 
stances. 
{Case 33.) Ores of copper continued : copper 
pyrites , the most common of all the ores of this 
metal : among these is also the pale yellow, fme 
grained variety, the hematitiform copper pyrites 
from Cornwall.— Reel or ruby copper ore com¬ 
pact, foliated and fibrous; one of the more re¬ 
markable is the bright red capillary variety from 
Rheinbreitenbach, in Nassau. To these are added 
a few specimens of what is called tile-red copper, 
or tile ore , a mixture of red copper ore and brown 
iron ochre. 
(Case 34.) Ores of copper continued: black 
copper , massive, and as superficial covering to 
other copper ores.— Carbonates of copper .* crys¬ 
tallized radiated blue or azure copper , from Chessy 
and the Bannat, with barytes, &c., and earthy 
varieties of the same, some of which (called 
mountain blue) have been used as pigments.— 
The very scarce sky blue velvet copper ore . 
—Crystals passing from the state of blue copper 
into that of green carbonate (cuivre carbonate 
bleu epigene Havy.)— Green carbonates of cop¬ 
per ; among which are the beautiful varieties of 
fibrous malachite of velvety appearance, in aci- 
cular crystals, with carbonate of iead, &c. 
(Case 35.) Ores of copper continued: among 
the 
