18 
SALOON. 
Nat. Hist. 
varieties from Siberia, and from Massachusets in 
North America; the flesh-coloured tourmaline 
from Rozena in Moravia, (which is by some con¬ 
sidered as a variety of pycnite), Sec. —Varieties 
of common shorl. 
(Case 4.) In this and the following case are 
arranged the substances belonging to the species 
of quartz .—Rock crystal: various modifications 
of its crystalline forms : small dodecahedral and 
other crystals, known by the trivial names of Gi¬ 
braltar diamonds, Bristol diamonds. Sec. ; varie¬ 
ties of colour, according to which the crystals 
obtain the vulgar denominations of smokey topaz 
or morion, cairn-gorm, citrine, Sec .; specimens of 
rock crystal, enclosing various substances, such 
as rutile, brown iron stone, micaceous iron, needle 
antimony, actinote, asbest, chlorite, Sec. ; groups 
of rock crystal .—Amethyst quartz of various tints, 
in grouped crystals ; nodule lined with crystals of 
amethyst and cross stone or harmotome, from 
Oberstein. To this is added the thick fibrous ame¬ 
thyst of Werner, considered by others as a sub¬ 
species of common quartz. 
(Case 5.) Common quartz: among the speci¬ 
mens of this widely diffused substance, which 
offers such great variety in its external aspect, the 
more remarkable are those of hacked, corroded 
and cellular quartz from Schemnitz, as also the 
pseudomorphous or supposititious crystals, princi¬ 
pally derived from modifications of calcareous and 
fluor 
