128 
LONG 
GALLERY. 
found by Mr. Hearne, and described by him in 
his journal.— Native bismuth , massive, disse¬ 
minated, and dendritic, in jasper, &c.; to which 
are added, specimens exhibiting the artificial 
crystallization of the same, produced by the 
sudden cooling of the melted metal.— Native 
lead in lava.—'Among the numerous varieties 
of native silver , may be particularized the va¬ 
rious forms in which it occurs, such as tooth¬ 
shaped, wire-shaped, dendritical, mosslike, &c., 
many of which are aggregations of minute crys¬ 
tals. 
Case 2. Native mercury , and hydrarguret of 
silver or native amalgam ; the latter crystallized 
in perfect and modified rhombic dodecahedrons, 
globular, &c.— Native gold , subdivided into 
pure and alloyed gold; the former chiefly 
massive, as grains (from Bengal, Guinea, Suma¬ 
tra,) and in brown iron stone, in quartz, with 
needle ore, &c. from Siberia; the alloyed gold 
(principally from Transylvania) crystallized in 
minute cubes and octahedrons variously aggre¬ 
gated, in reticular plates, &c. With these are 
placed a few specimens of the alloys known by 
the names of electrum and auriferous silver .— 
Native tellurium ;—and tellurets , being its com¬ 
binations with bismuth (considered by Esmark 
as native tellurium), with lead, with silver and 
lead, with silver and gold (foliated, white and 
yellow, graphic tellurium).— Native antimony 
from 
