50 
SAI-OON. 
Nat, Hist. 
yellow, and red tarnish;— \'ed antimony, mostly In 
fine capillary crystals, from Brliunsdorf in Saxony; 
—luhite antimony, crystallized, on galena, &c.— 
specimens of antimonial ochre on native and grey 
antimony, &c. 
(Case 47 and part of 48) contain the ores of 
cobalt and arsenic. The crystals of glantz-cohalt, 
which has been frequently confounded with u’hite 
cobalt, are mostly from Sweden ;—a suite of speci¬ 
mens of white cohalt, exhibiting the principal mo¬ 
difications of crystallized and irregular shapes;— 
grey cohalt, principally from AVittichen in Wiir- 
temberg;—some specimens of oxides of this metal, 
vi%. the black and the brown or yellow cohalt ochre, 
the latter of which contains iron ;—various speci¬ 
mens of the red cohalt ore, or arseniate, comprising 
the earthy (cohalt crust) and the radiated (cohalt 
bloom) varieties, from Saalfeld, Allemont, &c.— 
Between these and the remaining metallic sub¬ 
stances in the adjoining case are deposited the ores 
of arsenic; native arsenic, (formerly called testa¬ 
ceous cobalt,) in reniform and botryoidal shapes, 
from Andreasberg, &c.;—splendid and instruc¬ 
tive specimens of the sulphurets of this metal, viz. 
the yellow orpiment, massive, and in separable, 
striated, transparent laminfc ; and the red orpiment 
or realgar, perfectly crystallized and massive, and 
also (in the large specimen in the centre) as colour¬ 
ing matter between the laminae of straight-foliated 
crystallized 
