CbvnuHttl,,/<Au
nn/A V o
I o j - t ; 6 a g l H P ' t t l . , , . _ „ 9
- S J af e u ar f l | m • 3^ P 8m E s | ^ B
U g i | i y g Q B J E S K S B transit p^.more;- from
| H B ^ ^ H H H | certapi^ follov^ frorp, fhp/ea’s beiijg
sjL11
fjjF ^ Ti^-« nnd; j
w?j o f ^ ’ PKcigitatc^ hv An£ ,‘^in#’‘
gprpe gll
petfMions^ and mofthf pur’ffa i^ cp l cofrpkwm, , ipaibles^ aqd
nei - -r^a^ bafis '
'oiPm’ i |1 || ^ r7>'-Pr99y%^? ‘jFE^^Si&FM^
^f,r^ p apd as apt to co^efce agijin mtojpne upon, the ,defertion,pf
,tne ^af f r *n w'h*ch it i^Sipc'nded.^., wevrjr,, jj^fe, Jparry produc-
.glpns are not common us,„and £par( by ltfelf, «■ anfp^eht and
unmixed, is yery?.rarely Found iji^fus cpunty.
sect, m.
^ C o m U h ay»
■ P ^ enesJ not uri wbrthy, our ^notfceT By plain, (that-is quartz,1) I | fl
B p aji i E i a f f l cryffal which covetrno particular form?, but hatden^
Mm that figure V ,V ln ^ ^ tf£ ' ^vitafioii of its ayvnlparts, and the
it.foi;m^ determines it. O f this fort i^th^-which
the white anfe^
4f j.^P^s df fingle-diiperfcd. ftoncs common ^ eygry ;yvhere -in
which, like to many flakes pf icq, incruft the perpendicular fide?
# ‘oW’ | ^ | s << ^ ;g ^ j^ ' P l ^ i t I^g^p^0{p f ;itbe ,p i^ %tj
■ ig^.au*. cr^iM^ho^pntal inpiujffahQns; \yhicfl cqat-oyea^iBppjes, .and
f e g in threads as thipf defcpu^» reaching^ofi^jthe hcdkHys, from
one tubercle to« ahother\ ' OF this’ fort 3 lo maj^te all
toftals of the blift^d ^ d . mammillary, kind} which -en<). ip) one
drop, and have .thear fides preifed .into orbicular, puftules bytho
J^eight of fticceeding dpojps,.^ j^s ^JafefXlII. Fig.,1^: O f the plain
kind' alfb are all ^cryftat ftda£titesk,of, which I have fome fo .per^:
feet, which' I received from a(Jwork, called the Pool, .in, th&
parilh o f Illogaii, exhibited Plate XIII. Eig'. i i i . : and ,iv. t)hat the '
;\T c< Hoc Jru/iulum & alterum fpati addidt quo-
^WJi $0& fpatum £# qttartzum] fi-*
H ffffdiu adeo dtjlinfia anirnadverto hie in \
■ vfnjgm igfflo modrdiferimmari* ylfiLawfon, M. D.
ad auftorem, J . Z>, I fool
® Hill’s Foff. page 156,
h See Woodward’s Gat. vol. I. pagef^l jj^jt6.
* Quartz differs only from cryftal, as beforementioned,
in, that it is fiot figured': it is radi-.
cafl^fbe iame fionej- aniither^^ouartz is iery-
; W , plain,“*, not angdat^fibred; ^but yet has1
feveral Varietie|.‘ “ ktdpides “cryftdlli dt&t a qtatrtzo et
fpato foliimfigura diffmmt ” Lin. Syft. Nat. p. 22%.
k See feefore, page 48,— « »
1 Philofophical TranlafiHons^ on>,'the Cnmifh
diamonds, % the author. A, D. 1750^
formation