Democratic messenger. [volume] (Snow Hill, Md.) 1869-1973, 1903-07-25
CRYSTALS IND GEMS.
Beauties That May E- Observed Through
Magnifyin= Glass.


Sketchin@ crystals is fine ana delicate
work. requiring mich Study. sharp
pointed. hard pencil AM steady hand
First of all. having selected y9@c rest
of crystals. il is well 10 uiy ~, the
books have To say about l.: III. their
angles. cleavage planes. luSior c;c..
then take = large ore ma%mi'ying glass
and examine them Glossy unde:' Il. IN
uneSp cted world of hc"uty VIII thus
often he revealed l. tl.n c;yS.a,; "rc
In 4 iii;lc gcoGc az ,3Y..r. sucii - i
common in the Zcoite c,:ss n volcanic
rocks. you Lay see the ia.ry-,ille cav
crn lined wi,h sparkling GEMS. from
which raliaie tufts OF line Si.lcn hairs
with Il biz gem crystal st in Tic
midst: sometimes tile CaveInS contain
purple gems 0f amethyst or iiUor.ii2r.
You Will observe crystals that Eave
been stunted in their growth or his
shapen by the pressing against them
o. other stronge: growing crystals
You may see fine striae a. parable,
lines cr indications of twinEin" Of
crystals: you will notice also the lines
OF cleavage characteristic OF certain
crystals ami Invisible to the NAKED eye
also crystals that have been broken
and fauiteI and recemcrtCd h. EIa-
eral matter.
Having thus thoroughly studied the
crystals. place them cn 4 piece o. white
paper in strong ligh; and shadow
Draw the outlines c.ca: :Gd strong.
ard the angles ana faces Of the crystal
sharply. sonie crystals resemble one
another so closely. like ce".3in forms
of calciie ard grart::. ;h@; only by very
careful drawing can Crr lie C.Siic.
guished from the C;ic". especially
without tie use of cn.0r. IN highly
colored ores ard crystals some bc3uti.
fsl realistic effects have necn obta.ncI
by photo-lithography in ColOTs. but
many ores ard crystals have 10 dis
tinc;ivc co!ors: then You must rely o.
form. Again. some ferns Of crystals
are Identical in form with others of IN
entirely different c-de3 and YOU may
have 10 distinguish them hy cC-Dr
Shading. especially in transparent cGys.
tails. should be used spar.aGly. except
when the shadow is very pronounced,
or when the bases of the crystals de.
scend into III, dark depths AMI re.
cesses of the geode cavern. To hin:
out distinctly the forms OF white o;
translucent crystals 1t may be we'll 10
shade dark background back OF
them.
Sometimes row OF quart CRYSTALS
in the centre of vein is locked in
the embrace of an opposite set. like
row of clenched teeth. Occasionally
these are beautifully tinted with ame-
thysiinc purple. whilst lack OF them IS
a layer Of milky white ooaline quartz.
agate o. cha!ceG0ny. and back Of that
Il dense layer of red. yellow or varie-
gated jasper In drawing crystals the
main point 70 be aimed nj IS their char
acteristic shape or grouping. 80 that
any one seeing the sketch may reco=-
me- them rs belonging to q particular
family When crystals are very small.
as in twin crystals Of twin. CT in crys-
tails OF telluride ores. il is legitimate
10 magnify the crystal so rs Ia bring
OFT its distinctive features. Son.c ores
form n series of concentTic rings ike
green malachitc ard birc aZu-ite OF
copper: they had better ne represented
by their natural vivid co!o:s-N'
and Minerals.