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# Title: Lexicon Technicum: Or, An Universal English Dictionary Of Arts And Sciences (shelfmarks Leibn. Marg. 71; ZEN Leibn. Marg. 71)
# Folio - , page id 806933011:0524
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Secondtr, Factitious Merals, are such as are
made by ehe ArE OF Man: OE wrhich some arc
made of
Copper, and Lapis Calaminaris, a5 Brass. Some
Tin, Lead, and Tin-Class, 25 Penter. O
Tron depurated, by Frequene hearins, and beat
ins, and boilins rrich SalES; 25 Stecl.
e
ThirdiY, Impersect Rinds OF Wetal, are et
theF
Fluidus a5 Mercury or Duicksilver: O1
Solid and Contistent. And some ot chele are
uledt FOF
Pursins, aud chiety urvards, 25 Anti
mony. Some are used for maleing oF
Pevier, beins ot a Mimins brittle Sub.
Ctance, 25 Bismuth Or Tin-Glass. Orher
are uled For makins oF
Soder, aS Spelter, Zinke, Or Spalt. An
lome are made use oF FOr
Paintins, as Cinnabar, Vermillion, and Blacte
Lead.
Fourehly, Recrementirions Parts oF Meral, ave
such as are cast os cicher in the Preparation 0.
phemby
Meltine; as Litharee, vohich is a tind os Seum
arisins from the Puritication oF Silver trom
Lead; and Spodium and Pompholix, Wrhich
Ay out from Copper when it is in Fusion,
and cicher Fail donon again rothe Ground.
as the former, Or adhere 10 the ROOF OF
NValls, a5 the latrer: Or else chey come
trom the Mecal by
nochins bul CAaS OL Selenites; May, Pertraps
in all kind oF Terrestrial MateT, Or in Strata OE
thac ris a rare cs cs as et centse
Beatinz or Flammerins, as the Scoria, Or thex  one andche Pame Lump.
Scales, or arise trom
Corruption cither in the seneral wa7, 25 Rust,
er atter a parricular manner, a5 in the ma.
king of Verdisrease and Ceruse; one FTOI
Copper, or Brals, and the ocher From
ead.
nerals and Metals are very otten Blended and
Bur noiwichstandins this Scheme be 2 500d) cure, in d HIO LC SH a SCCaL SI,
seneral summarr; ver a 500d Difcourse on chis
Subjeet is verr much anting; and indeed to
do ir Well, ill be a veer difficule Pask: Becaule
in the Minerat Kinsdom (25 DF. Wooduard ob
Terres (in his Fxcellene Nacural Ilictory oF che
Farth, Part 4.) chere is nochins Regular, Con
stant, Or Certain: Neicher Colour, Fisure, nOr
cheir Place Ox Sicuation in the Parth, are to bC
trusted to, or relied upon, (0 a5 posicirely 10
make any sudsmene trom thence.
Wrhereas indeed chere is nothing litre that; and
the onty Aanding Test, and distinguistrine Cna-
racteristick oF any Mecal or Mineral, must bC
Toughe for in the Constitent Matrer oE ic, and
it must sirs be brouehr donnto chat, before any
Thole MCtaIS aNa LMMIETAIS WIIICH aIC TepOLI-
red in the Bodies oF rhe SFratA, are citter Found
there in Grains, or (mall Parricles, or else amal
A common Marchasite, Or Pyrites, Mall hare dules are cither ot an irregular and unCerTaiM LI
the Colour and Brishine(soF Gold or Silver, and
Sure, 25 che common Pyritae, Flints, Agates,
vet attord nochins buc a licele Sulphur and Vi- Onyxes, Pebbles, Cornelians, Faspers, Xc. Or elle
triol; Whilst another Body, having only the Re- ther are of a Fioure Comevhat regular and ob-
Semblance oF a Pebble Or a SconC, Pall hare a serrable; as the Belemnites, the several TOrES oL
plentitul admixture ot a valuable Meral in II.
Noching is more common chan eo find che
Mineral Coral, the Scelechites, the Lapis Muce-
toides, vulsarty called, Fungites: The Astroites
Tame Meral Mor also into very difCreHE FOrMS OF Starry Stone; a5 vell hat Port wirh che promi-
aud Figures; 2s vell as to find different kinds OF nens, 25 thac With FhC CONCAVOSTAES: Phe Sele
Mecal oE che lame Form and Fisure: And a nites, rhe Echinaced Christalline Balls, wich
Boey nohich hach che Mhaxe ane appeacaree oE al manr more malosous Bodies.
Diumone, vuy prove noon examiroion, ro ve
on common Sale, Or Alom, nacurally Chri
Ccallizcd, or Mor into chac Form.
50at(o as ro chieir Place in theFiarch, chere is
the lame ancerraines: Sometimes Wic ind them
IlCC Lerpendicular Filsures, Or Incerrals os IHC
Scrata; Comerimes interspersed in the Bodies ot
the strata, and lometimes in bocil: Onl) indecd
in the bems thereis this ditteretsel, l’hac the To-
Pazes, Amethists, Fmeralds, ec. Wrhich grow in
the Fistures, are ordinarils ChristalHCa Or IHOE
inco Angular Fisures, wrhereas chole souu in
he strata, are in rude Lumps, On) hela
ny Vellor, Purple, Or Orcen PCVBCS, HOL BUE
thac eren thele chac are thus lodsed inthe Strata,
are allelometimes tound christallized, and in ehe
Lorms oE Cubes, Rhombs, ec. buc chen thole
found inche strata, are catilr distinguthed HOI
Este orher, because ther are withour their ROOt,
(a5 the Terrellers calLic) or the ABrIPLHCIS ALMHCIF
Fincs, Whereby che ochers adhete We A
Sides of the Interrals, wrhich AbrupnelS iS OC
calsoned by their beins broken of trom chence:
And chose wrhich are tound inclosed in Colid
Stone, Marble, C9c. beine difficulely separable
trom the Scons Macer Which adheres ro chesse
on all ies, hare commonls some ot rhar Mat
ret Aicko them on all cheir sides; Wvhereby
ther die cltinguisted Erom thole tounet iI chc
Lependicular Intervals, cher adhet os bs
B Lind, a5 as above obserred.
The late Metals are also placea disterenty
rery ditlerene Natutes, Lhes ale cscess al-
(o rariousss uermixed onc wich another; l0
and Simple, ouc Coppet atet srot Mall be in che
Came Mals; Cold and Copper; Stret and L ead
Pir and Lead; rea, lomerimes alt ille dix os
Fis the Came thins with Minerals; and MI
Incermixea WoSCthet.
Trow che lnomtedse ot this maz be of s00d
use FOMMdCCCIVCThOIC, WO bY FedaIMS Os IOMC
Authors, arc xersuaded, Thac all chings relarins
to Metals and Minerals, are tranlacted by N2
Certain suase CaH DL SHNCH OI sC
Sed into BalIS, LPS, Ot LNOaMIES; WICH LC-
Those