51 
tirnonial ochre on native and gr6y antimony, 
&c. &c. 
(Case 47 and part of 48.) Contains the ores 
of cobait and arsenic. The crystals of glantz- 
cobalt, which has been frequently confounded 
with white cobalt, are principally from Sweden ; 
—a suite of specimens of white cobalt, exhibit¬ 
ing the principal modifications of crystallized and 
irregular shapes ;—grey cobalt, principally from 
Wittichen in Wurtemberg;—some specimens of 
oxides of this metal, viz. the black and the brown 
or yellow cobalt ochre, the latter of which con¬ 
tains iron-various specimens of the red cobalt 
ore, or arseniate, comprising the earthy (cobalt- 
crust) and the radiated (cobalt bloom) varieties, 
from Saalfeld, Allemont, &c.—Between these 
and the remaining metallic substances in the ad¬ 
joining case, are deposited the ores of arsenic ;— 
native arsenic (formerly called testaceous cobalt) 
in reniform, and botryoidal shapes, from An- 
dreasberg, &c.;—splendid and instructive speci¬ 
mens of the sulphurets of this metal, viz. the 
yellow orpiment, massive, and in separable, stri¬ 
ated, transparent fammas ; and the red orpiment 
or realgar, perfectly crystallized and massive, and 
also (in the large specimen in the middle) as 
colouring matter between the laminae of straight 
foliated crystallized barytes-specimens of the 
n 2 native 
SAAOON. 
Nat. Hist. 
