4 
SALOON. 
Nat. Hist. 
kohlenblende (to which may be referred the 
Kilkenny coal) is a specimen from Kongsberg 
in Norway, with native silver. 
Case 2. The diamond^ though combustible, is 
by common consent considered as the first of 
precious stones: among the specimens selected to 
exemplify its crystalline forms, are the primitive 
regular octahedron; the same with solid angles 
truncated; with edges truncated, forming the pas¬ 
sage into the rhomboidal dodecahedron \ varieties 
of the latter, giving rise to the six-sided prismatic 
and the tetrahedral forms ; cubes with truncated 
and bevilled edges ; various hemitropic crystals 
or macles of diamonds, &c. With these are also 
placed specimens of the alluvial rocks in v/hich 
the diamonds occur in the East Indies and in 
Brasil.—.* to which belong the common 
jargon of various colours, and the orange-colour¬ 
ed, considered by some as the true hyacinth^ from 
Auvergne, Chili, &c. ; also the variety called 
zirconite, from Friedrichsv'arn in Norway, im¬ 
bedded in syenite, a rock composed of feldspar 
and h.QxnhlQwde.—Coruiidum: which compre¬ 
hends the precious stones commonly called ori¬ 
ental gems (the sapphire, ruby,oriental amethyst, 
oriental topaz, oriental emerald), of the crystal¬ 
line forms of which the principal modifications 
are here deposited; and the common or imperfect 
corundum from Bengal, Mysore, China (the dia- 
mant-spath of Werner) ; Lapland, Piedmont, &c. 
—As appendix to these are added, ihejibrolite 
(bournonite 
