The Cadiz sentinel. [volume] (Cadiz, Ohio) 184?-1851, 1851-01-29
A0aILILIURAL GEOLo0Y.-No.


AGRlLLLfURAL GEULo6Y.-N NO. o.
~ gssIAn nOLBaeok
Bsnes sfc he pl,uspbsls OF lime; so is
ha.nl,ial elyslal called apeiils. This crys-
~ . lDnnd "a aFasiis rocks. is OF a RTcen
eulnr. hexhedral shape, aud resembles the
i.rryl aud efneuli. 'rae phasphs'e Of lime
rraauiules pan Of marl beds. and greatly
'scfsasrs he ieriilzRg poweFuf ihaI power
ial lerrlzes Il is also one Ingredient o.!
milk. IL these various RELATIONS II exists in
ne smsll abundance, and performs ne unim
pnIlanl agency, either in an'mate OF mani
snate erfatinn, Il surely oughl TO se kuuwn,
- lenss by every farmer, aud Of cuurse
llapghl 70 every lanmst's son, aud daughter
iaa.
llerbyshire splr Is the fiuaie Of lime. il
receives q Leauliiul polish, and is much nsed
lot uins and Osher mahlel pruamenis. Il also
nipaaFs in beaulilni crystals, bush ia regular
enbes aud oclahedfons, or equal eighl-s,ded
CRYSTALS. precisely the shape Of alum crystals,
EASILY iurmed BY dissolving alum la hol wat
ef, leaving the mass, while cooliug, TO arrange
iss parlIcleS aruund wire pul ,uo The form oi
. card basket, or any other fancy article pre-
feHed, Nitrate Of lime as another co.careous
lnrlnalion, less abundant AID less uselui than
rither 81 lhe other sles befnre named.
Rach ol the i,me lufnauous How gwen is
conptised Of three Ell. ments. or ulumate
vrincip es. Two Of these ele nents are the
suine IN al,-oxygen aud cal:inm, or the oX-
Ade OF ca cmm. The other eirmeuts enter
Iiis severaliy into the compounds are carbon,
7. H,,
Which. alter being acldi6ed Dy the agency
of oxygen, combining in each Case wlth The
Tame oxyde. form the carbonate, sulphate,
phosphate, finate, aud nitrate of lime.
All these lime formations, except the nj.
IrMe, frequently appear N beautiful crystals
SoIne Of The calbOuale crystals are rhumbc
spaI, pearl spar, dugrooth spar, tabulaT spar
satin spar, sr;agonile, aud others, amounting
iu the whole 10 two or tLtee hGndIed distinct
crystalline ioIms oi The carbonate of lnIe
Sutpe Of the crystals of the sulphaIe of hne
are seleni,e, (mpnn slone,) fbrous gypsum
radiat d gypsum, anhydruus gypsum &c
The plincipaI, perhaps The only crystal Of
the phosphate of pe is appetite, already
named, in The form ot six-,ided PRISM, not
uiten more than ~ inch or t@o in diameter.
The phosphate oi rron sometimes prcsenrs
Interesting crystalline fOtms. ai.s .r
same oil tj,e nnsi he u ifal and instructive
exhibitions OF the woHdtrlul science ut crys-
lahagraphy are in he fluate OF lime. The
tWo priuclpal CRYSTALS those already nam
ed--I the cube aud octahedron--v w: SIX and
e,ghl,sided figures, BY cleavage, these lwu
ctystals eau lie changed from one to lhe oll-
eE--the cJbe into Il ie nGlahetron, or he or>
Iahedton into the oIIbp. Bdh these crystals,
and their process nl transformation, wete
beautifully exhibited bv specimens iorlned
OF pasleboard with gteal skill aud taste. as
the richest possible amusement Of some girlS
~ school td Washington tur the Scholars
lar ia New York They were much adj
rnired and largely commented upon Ly HE
crowd Of visitors. ..-
ExpERlMENr. Divide piece Of This
pastehoard into e9wIairral Ir'angIcs. fgnles
with thTpe eqani sldes, say an lnch aud ii
tall in eHglh. Slightly cut HE divisions by
The noin of knnle for the convenience oi
tlding them ialo various desired forms ~
Hoxes, 'rhns prepared, rhe paper can be
readily folded ,uto shapes to illustrate the
primary crystals OF the lnale Of lime, aIum,
saulphate nf a'umina,l gnl8, iron, lead, and
very hume rous uther minerals.
NAAsssFS9 s&a --=- s7 asa