35 
may be particularized the beautiful groups of saloon. 
double six-sided pyramids, and those of six-sided 
. Nat. Hi*t. 
prismatic crystals.—Strontian salts : carbonate of 
strontian , also called strcntianite, in prismatic and 
acicular crystals.—-Among the sulphates of stron- 
fian (celestine of Werner) the more remarkable 
specimens are the splendid groups of limpid pris¬ 
matic crystals on sulphur, from Sicily ; the acicu¬ 
lar variety in the hollows of compact sulphate of 
strontian, from Montmartre; the radiated and 
fibrous celestine, &c.—The remainder of this case 
is occupied by some other saline stony substances, 
viz. borate of magnesia or boracite, in separate 
crystals, and the same imbedded in gypsum : sub¬ 
sulphate of alumine , from Newhaven, and from 
Halle, in the territory of Magdeburg, which was 
formerly considered as pure alumine ; fluate of soda 
and alumine, or cryolite , from Greenland, &c._ 
(Case °28.) Contains various saline minerals. 
In the glazed cases and drawers on the right 
hand side of the principal entry from the first 
room into the Saloon, are deposited the metallic 
ores. 
(Case 29.) The ores of platina, gold, and mer- 
cury. —Platina in grains from Peru and Brazil: 
the latter mixed with grains of greyish yellow 
gold.— Native gold subdivided into pure and 
brass yellow 7 gold ; the former chiefly massive and 
as grains (from Guinea, Bengal, Sumatra, Ire¬ 
land, he.) and in brown iron stone, in quartz, 
r 2 with 
