Oldal 28 [28]
278 MINERALOGICAL REMARKS:
The fpecific gravity of this piece was 2,332 3 another, which was
variegated with red, 2,342 ; another, with more red in it, 2,381.
In Mr. Pallas’s Nordi/be Beyträge there is an account of -a foffil
lately found near that diftant corner of the world, Kam{chatka, which
fo perfe€tly correfponds with this, that I think, ‘as works in the
German language are fo feldom tranflated into ours, I fhall be
thanked, by our Englifh mineralugifte, for laying-a tranflation of it
before them.
“If we with to increafe the names of foffils,” fays Mr. Pallas,
« which is now much the fafhion, the ftone from the Marekanian
mountains, on account of its fingular nature and properties, deferves
a particular name, much more than many new-named foffils. Molt
foffils, with fearce any variation, are common to different places:
this is particularly the cafe with the mountain rocks, which are re¬
peated in every chain of mountains ; but I know of no example of
one being found in any part of our globe, fimilar to this. The
(Bergart) mountain-rock is very fragile, and confifts of remark¬
ably thin, pearl-coloured, glafly, fhining, and tranfparent leaves,
which are curved and interwoven in one another in all pofüble ways;
they may be crumbled between the fingers, although when united
together they fcratch glafs : it is not porous like pumex, and has fill
lefs the appearance of lava: it has much more the appearance of foli¬
aceous zeolite, and when broken looks like pounded glafs. In this
6 mals
26