New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1880-04-22

EFFECT OF TIIE RUMOR THAT DIAMONDS CAN BE
MADE IN THE LABoRATORY-wHERR THE
PRECIOUS STONES COMB FROM.
In recent conversation with TRIBUNE
reporter the agent Of The Morse Diamond Cutting Com
pany related number Of Interesting facts respecting
the diamond product in various parts OF the world His
OlnDOn Of the manufacture Of diamonds wss gveB and
Is the same as that Of TIfEny Co. and other large
dealers.
when the report was made public" he said. that
diamonds could be manufactured In the laboratory,
people became timid about Investing large sums OF
money IN valuable brllauts. During the last holiday
seaaon IN consequence, great mary cheap diamonds
were sold But the depression was only tempOrary-in
act valuable sOnes both in the rough and In the form
OF bPlhants approaching In value all the time II
Is not thought possible by diamond experts to produce
diamond, Of any practical value. Az YET 1t is only
claimed thai crystals of very inmate size
not larger than grain OF sand-have been
prtduaed by chemical processes. Should the
chemist succeed in making diamonds OF size
sufficiently large to cut, 1t would cost as much to
bring them no the requisite shape as IL does the stones
fond In nature As long small crystals only arc pro-
duccd the discovery amounts To nothing. There are
natural diamonds, such used IN the mechanical
nrt. by lapdar!es and jewelers. that sell rs low Gs
dollar apiece"
.Where arc the diamonds mainly produced that are
sold in Ncw-York"
-. The principal di mondneIds Of the world are in
Lion IN the Kimberley mines In sourh Africa and the
consequent reduction In price, the Brazil mines are not
worked as much as formerly. few stones are found
i'm India, some small ones in China and occasionally
one his been fourd IN California. 1t claimed That one
or two have discovered IN Indiana and two
In Georgia Dut those that have been sent from
Georgia have turned be either DeryI common
crystal The peculiarly OF the great Kimber-
Icy mincs-whch are now $50 feet be-
low rho surface and cover large areals that the da
monds are found iubedted in steatite soapstonc.
TbOse found In the Bahia district IN Bra8i-wAieh s
about 400 miles below Rio JaneirO-are usually embed
ded in q con iOmerate composed Of small pebbles.
Tbe diamonds that are not 10 10 cut for gems are
what are called car6ons from Tho Bahls DISTRICT They
are Irregular in shape aud OF dark brown color, apOnt
fracture. T6ey were discovered many years before
they known to have any Value since inc dscoy,
cry that they diamonds by an Amsterdam diamond
enter they have risen In price to 80 carat and more
They are used IN burning milh-stones ana In diamond
too peor to cut and Is used for drilling. They are Of
different CoOrs. aud vary In size from plnnead 70
pes Ts se%1 h cn,S w0 angles and are used
by ntFographers and bank-note ennayers In
SoshnS dis@ond adds greatly 70 its cost. some are
very dlficnlt to shape and polish. particular seven
ea[S Sy s S.Ot Sst IL ont and poshr ready for
T%fE .w Sy aud sod al loss Of SUCH da.
are not psos S o wood &s rS
ever diamonds have regular cleavage pianrs Toe e1t-
wishes to cut it with the point sBgle OF another d.
almond Then he uses short INSTRUMENT OF steel sud
els every stone out into the same general fOFmi"
"Tney all have the some nnmIer OF acets-aitysix
1s % aso Ps 70 the shape Of IN" aSSns They
are cut as "a rule, with ltile waste as rossible"
T0 what extent does color AFFECT the value Of brill
aThs white arc the most brilliant, and consequently
the most valuable Tinted stones are less valuable, but
diamond Of positive pink or green color commands
hinh price,"