42 
saloon, stone, and brown hematite, together with several 
Nat.' Hist, varieties of argillaceous or day iron-stone , such as 
common, columnar, pisiform, reniform clay iron¬ 
stone, meadow-ore, &c.—Salts of iron: viz. car¬ 
bonate of iron , or spathose iron ore, the primitive 
form of which is different from that of carbonate 
of lime: crystallized, massive, and cotryoidal, 
(SpJuprosiderite of Hausmann) in Basalt.— Ar- 
seniate of iron, or pharmacosiderite, which oc¬ 
curs only crystallized, chiefly in cubes, whence 
Werner’s name of cube ore. [See British Collec¬ 
tion : Cornwall.]— Cupriferous arseniate — Scoro- 
dite.—Chromate of iron, among the specimens of 
which is one from Baltimore, in which this sub¬ 
stance is intermixed with talc coloured purple by 
chromic acid.— Muriate of iron, called pyrosma- 
lite, from Sweden.— Phosphate of irOn, crystal¬ 
lized (with native gold, from Transylvania), mas¬ 
sive, and pulverulent: among the specimens of the 
latter are, the massive variety from New Jersey, and 
several earthy varieties, in clay, wood, peat, &c. 
( Case 41.) In this and the two following cases 
are contained the ores of lead, the most common 
and useful of which is the sulphuret of lead, or ga¬ 
lena : the specimens here deposited include various 
modifications of crystals, detached, and grouped to¬ 
gether, in combination with blende, pyrites, and many 
other substances; galena of various grain, massive 
and disseminated; galena of corroded appearance, 
decomposed 
