lardite 1 2
Large , mele
large - grained
larry
laser drill hole ,
lasques ,
lat yay
latent cavity
lathe
lattice () crystal ~ space ~
lavender amethyst ring
lavishly decorated -
law:~ of constancy of interfacial angles ~ of refraction ~ of symmetry albit twin ~ twin ~
lawsonite ( ) ,
Lazule, lazuli lapis-lazuli
lazulite (- ) ,
lazurite lapis - lazuli calcium ~
l - bar
leaching cyanide ~
lead
lead () (, )
leaded glass -
leaf - shaped -
leaf
lean - to ( )
leather pad -
leather strap -
ledge
left - handed ( )
leg ( ) ( )
lemniscate
lengthen
Leonite , tibetan quartz
lepidocrocite ,
lepidolite ( , )
leucite ( ) , ,
leucophanite ( , ) , -
leucophoenicite
level ~ down
leveling
lever - ( ) haze
liebenbergite ( )
lifetime
light 1 , 2 3 black ~ polarized ~ reflected ~ refracted ~
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light leaded ~
lighten (, )
light - gage sheet
lighting
lightness
lightweight
lignite
ligurite
Lime aragonitic ~ aragonite
limit clearance ~ set a ~ tolerable ~
limitation
limited
Lin
linarite ( )
line
line: becke ~ () bright ~ , () conjugation ~
linen: fossil ~ ,
liner
link ,
link
link bracelet ,
liquefaction
liquid
liquidus
liquidus ~ river ~ ( ) solidus ~
liquidus temperature
lisbon cut
load
loam moulding loam sand
lock - ()
lock with a cotter -
locket
locket
lodranite
logwood
looking glass locket
loosen () loosening () loss burning - burn - off - burnout - shrinkage - machine
love - arrow
lower girdle facets ( )
ludlamite ( , , )
luminous gold ,
luster , adamantine ~ () brilliant ~ dull ~ () earthy ~ glassy ~ greasy ~ metallic ~ pearly ~ pitchy ~ resinaceous ~ satiny ~ () soapy ~ submetallic ~ - subvitreous ~ - vitreous ~ waxy ~
lusterless ( )
lustre ,
lustrous -
luxurious creations -
luxury -
lyd (d) ite ,
lynx - stone ()
lyophile
M
machining
mackle, macle 1 ( )2 3
mackles ,
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macled
macro - axis ()
macrocrystalline
made of gold -
magic of gem - ,
magnesite ( ) , -