49 
The ores of nickel, among which may be parti¬ 
cularized the native nickel from Saxony, which 
was formerly classed with the ores of iron, under 
the denomination of capillary pyrites 5 the arse¬ 
nical nickel, called copper nickel; nickel ochre, 
which is no oxide, but an arseniate of nickel.— 
Ores of bismuth : native bismuth, massive, dis¬ 
seminated and dendritic in jasper; to which 
is added a specimen exhibiting the artificial 
crystallization of the same, produced by sudden 
cooling of the melted metal;— sulphuret of bis¬ 
muth, the bismuth glance of Werner, with which 
is placed the Siberian 7ieedle ore of the same 
mineralogist, being a triple sulphuret of bismuth, 
lead, and copper.—Ores of uran : the protoxide 
of uranium, called pitch ore, massive, pure, and 
with adhering ochre of the same metal; —the 
substance called uranite, or uran mica, in groups 
of emerald-green and yellow colours. The ores 
of tellurium or sylvane, which are divided into 
native tellurium, white and yellow (alloyed with 
gold and iron ) ; the graphic ore, so called on 
account of the disposition of its minute laminar 
crystals into groups that bear a distant resem- 
blanee to written characters; and the black tel¬ 
lurium ore, or Nagyag ore (commonly contain¬ 
ing gold and some lead). 
Case 49. The greater part of this case is occu¬ 
pied by the ores of manganese, — oxides: radi¬ 
ated grey manganese, some varieties of which re- 
E semble 
SALOON. 
Nat. Hist. 
