44 
SALOON. i^Case 39.) Or^s of iron continued:— Itydroiis 
Nat^ist of iron, comprehending "Werner’s ochrey and 
compact brown iron-stone, and brown hematite, to¬ 
gether with several varieties of argillaceous or claij 
iron-stone, such as common, columnar, pisiform, 
reniform clay iron-stone, meadow ore, &c.— Carbo- 
oiate of iron, or spathose iron ore, the primitive 
form of which has lately been ascertained, by Dr. 
Y^^ollaston, to be different from that of carbonate of 
lime: crystallized, massive, in combination with 
other substances. 
(Case 40.) contains the remaining ores of iron 
and those of manganese, a metal which stands in 
close geognostical relation with iron.— Arseniate 
of iron, which occurs only crystallized, chiefly in 
cubes, wdience 'Werner’s name of cube ore. [See 
^ British Collection: Cornwall.] — Chromate of iron, 
among the specimens of which is one from Balti¬ 
more, in which tliis substance is intermixed with 
' talc coloured pui’ple by chromic acid.— iSluriate 
of iron, called pyrosmalite, from Sweden.— Phos¬ 
phate of iron, crystallized, massive, and pulveru¬ 
lent : among the specimens of the latter are, the 
massive variety from New Jersey, and several earthy 
varieties, in clay, vrood, peat, &c.—The pitchy iron 
ore of 'Werner, from Limoges, may be referred to 
phosphate of manganese.— Ores of manganese: ra¬ 
diated grey manganese, from Ihlefeld, &c. some 
varieties of which resemble the radiated antimony 
in 
