ably eafy, descending about. 6.0 yards down,
fteps, amid limeftone, Proceeding about
30 yards deeper» by an eafy route, yon arrive
at a moft beautiful cavern., befet with
delicate white ftala&ite, which, to theimagi-
nation, alTumes a variety of figures» A t a
fmall diftance further, you are, led into, a
cavern yet more grand, in which fome fta-
lactites, hanging perpendicularly from the
roof of the projecting rock, form a ftriking
femicircle.; the black walls of the mine contrail
with the foow white ftaladhes, and
conftitute a feene furpaffing defcription,
lienee you are led into a variety of intereft-
ing caverns, veins, &c. and the guide will,
be ready to give every information to. the
curious vifitor, without any with to delude
him by fabulous wonders, or interefted
error.
I {hall now proceed to give a fhort account
of the chief varieties: of fluor, and of
^ ' the
the method employed m their manufacture,
Fluor, or jluate o f lime, generally cryftallizes
in the cube and its modifications, rarely in
the o&aedral, and ftill more rarely in the
dodecaedral form. The chief varieties are
the following:
Water coloured eryftals of cubic fluor,
ftudded with bright pyrites. The accumulation
of eryftals frequently covers the pyrites
with a pretty effedt.
Very large and tranfparent cubes of fluor,
with pyrites in the infide, accompanied with
blende and lead ore.
Blue fluor, of a violet colour, in perfect
cubes, with cubes in the interior.
Amythiftine and fbpazine fluors* The
latter is of a fine yellow, with internal
eryftals of pyrites.
Dark blue fluor, with the edges bevelled
on each fide, -