136 
LONG 
GALLERY. 
many varieties, such as the columnar, pisiform, 
reniform clay iron-stone, the meadow-ore, &c. 
Case 16. Oxides of copper : —red or ruby 
copper ore , compact, foliated and fibrous ; one 
of the more remarkable is the bright-red ca¬ 
pillary variety from Rheinbreitenbach in Nas¬ 
sau ;—the ferruginous red oxide of copper or 
tile-ore, a mixture of red copper and brown iron 
ochre.— Oxide of lead :—the native minium from 
Hessia, (first described by Mr. Smithson,) from 
Siberia, &c.; all of them probably produced by 
the decomposition of galena.— Oxide of bismuth, 
or bismuth ochre from Saxony and Bohemia.— 
Black and yellow earthy cobalt, or cobalt ochre, 
which seem to be hydrates of the oxides of co¬ 
balt and manganese.— Oxide of uranium , or 
uran ochre, and the hydrous protoxide of the 
same, called pitch ore . 
Case 17. Oxide of tin , or tin-stone, divided 
by Werner into common tin-stone and wood- 
tin : among the specimens of the former may 
be specified the greyish white crystals, resem¬ 
bling sheel ore or tungstate of lime, the re¬ 
gular and macled crystals, the pebble-like 
and granular tin-stone, (shoad-tin, stream-tin, 
grain-tin, &c.,) the columbiferous oxide of tin 
from Finbo in Sweden ; fibrous oxide or wood- 
tin, a variety of which, composed of radiated- 
fibrous small globules, and marked with concen¬ 
trically 
