Fig. xiv. The fmooth, folid, high-bliftered copper, (fedfron hi.
pagélï 9§f)ftfr am Huêl-'MtumfrMr L^g^Bïj the. rrioflt.pure and beau-
tifoi.of'the- greêiisHnd.
fam$^#H;t, ,mam|jMy,twith a drop'at the bottom,’formed
.probably h» a pêiijièulbus1 pofitionkj
<30 xvi. Virgin leafrcopper, branchy. y
xvii. Ditto.
> ■ »Xts# Virgin,-.omiforanchedjg anijfibrousj like the anatomy of a leaf,
b xx. Virgin-ore, fringed at the edges.
T.Ï - xxi. This elegant fpecimen of virgin-ore run into hollow filagree*
confifting, enfrrejy^ ofVfofrmapy^ , branchyi filaments^ terminating in*
litdes aflboite: tufisj - and itheaendsl o f the, ,branehe^j<®ipt-.with s|yu ,
pilltz, all* of pifre copper,. came<.frorp the Tolvfeh bopper-Wfsfcjin
the.'parifh of iSt;- Juffr Penwith, •
' • xxMMBrightefF virgin-brenfliobf into i'daggérs^c^i^v branché^
andfpdg^'(|as> di&k
xxin. The pureft virgin-ore from Mullion formed into drops. »
ho'ssi'skl D3. fpread into fragwlafr loavesand; bunchy. y
| Th,e*two-,lafi fpecixhensl are; ofrphe. riehqlb, ipoft^parblingj and
beft naturally .poliihed' coppe&ore which - any 1 affords^ipmb
yëar^fihcé^ igaatrljfcd^iii the] paKfh of hCuMion in ^rge ;lunapsj of
federal 1)'pounds' weight,- onerdump ■ of itsl.yreighing. forty; pounds
what; hèightemsathe feearity; of - thiSi q£e-;i£fctli|sv; iha^ 'in .mpft; places it
islenameMed ■ with jhat . green flaky «^e,-i-whiph age alone gives to
pgws* and;mecfeisfriand; :art ia endeasvdnfSttó. iinilatc» Ét
i Qopperia^vets mQt 'geoihetrieal op angular ifigyrds. fr>
It may feem a little furprizsing that we Ihould find ooppsr native sect.x.
and malleable Ifi) much more frequently than any ,oth«d metal, and \ |ra |p |
in fueh a variety o f ;colours andlihapes. ^rTheare^0fiis,thi§ :tlCop^;mdof
per in thé? miné;is/-rnore -eafily. diflblved and ftripped o f its ftony jri^ ^
vwolucrum than anjhdtheii metalfr^lis ttu b le by aWiih&Öf&^°'^>sn“ne'
both.aeid, alkaline, .and nitrousc^i nay,,eyen by,oomni^n;-water, and
i^jbroe -ftates by theiair itfelfr.; What m a k e s^ e ld lfp . to glmpft every
fluid,, is, rthat. there is little ftone, but mucfryitriol incorporated wit%
copperjand vitriol^being no other than afreefolublë fait,is always ready
rr> mix with every kind o f moifture which attempts-? it,-„ Hence i t
comes tb pafs, that copper; is frequently liquified 1» the earth, and.
every time the vitriol melts, and becornès ; fiifpended,.'thc; incorpo-,
rated copper deferts its primteval'htA o f ftone, and when i t becomes
too heavy, to be! born along by. the fluid vehicle,' djftdls frbm
.b This feeras to be wi>at the Spaniards in tlkit Pag® ? S’. .i( . >
Peruvian mines call Machacado. Alonfo Barba, ‘ Boerh. page 8b. . r;„v '.;Ry ■ . .
F f f higher