47 
arseniferous sulphur et of antimony ^ov grey anti- saloon. 
j mony (the most common ore of this metal), oc- 
I curs compact, foliated, radiated, and plumose : 
I the more remarkable among these are the speci- 
j mens of crystallized radiated antimony in fine 
; groups, especially from Transylvania; radiated 
grey antimony with barytes, realgar, &c.; the 
^ plumose grey antimony, some varieties of which, 
appearing like delicate wool or down, display a 
! fine iridescent blue, yellow and red tarnish ; red 
I antimony, mostly in fine capillary crystals, from 
I Braunsdorf in Saxony, and a variety of the same, 
j called tinder ore, from the Hartz;— *mhite anti¬ 
mony, an oxide, formerly considered as a muriate, 
of this metal, crystallized on galena, &c.—^spe¬ 
cimens of antimonial ochre on native and grey 
antimony, &c. 
Cases 47, and part of 48, contain the ores of 
cobalt and arsenic. The crystals of glantz-cobalt^ 
which has been frequently confounded with white 
cobalt, are mostly from Sweden ;—a suite of 
specimens of white cobalt^ exhibiting the princi¬ 
pal modifications of crystallized and irregular 
shapes ;— grey cobalt^ principally from Wittichen 
in Wiirtemberg ;—some specimens of oxides of 
this metal, viz, the black and the brown or yel¬ 
low cobalt ochre^ the latter of which contains 
iron;—various specimens of the red cobalt ore^ or 
arseniate, comprising the (cobalt crusf) and 
the radiated [cobalt bloom') varieties, from Saal- 
feld. 
