mould () , ,
mount pave - pave plain - ( ) claw - - ,
mount a gem
mountain - crystal
mountain blue
mounting -
mounting
mountz metal -
multy row chain ,
murchisonite 1 2 ( )
muscovite (- ) , , , -
mysterious power of jewellery
N
nab ()
nablock
nacre 1 , 2 , ,
nacreous
naif 1 , 2
nail -
nambulite
napkin ring -
nathrolite , , ,
native (virgin) metal - ,
native copper
native gold - ,
native ore -
natural ageing
naumanite ( )
navette -
near gem ( )
neckband -
necking ( )
necklace collar ~
necklet -
needle file
needle - like ( )
needle - point file
negative 1 , , 2 , ,
neolith
nepheline ( ) , -
nephrite
nephrite , , , , -
neptunite ( , , )
nest
nevada ~ - () oriental ~ , palmeira ~
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nib ( )
nickel
nickel -
nickel alloys ,
nickel silver
nickeline
nickeline ( )
nickelize
nickelizing
nickel - plate
nicol crossed ~ polarizing ~
nicolo
niello ( ), ,
niello ( )
niello inlay
nielloed
nine carat three colour bracelet 9-
nip ( ) () ( )
nip up
nipper -
nippers pair of ~ wire ~
niter
nitrate
nitre
noat
noble ( )
nodular , ( )
nodule 1 , , 2 ,
non - ferrous ( )
non - ferrous
non - ferrous alloy
non - ferrous metals
non - metal
non - metallic
non - metallic inclusions
nonpareil ,
non - recoverable
nose - ring -
nosean (noselite)
notch
novaculite , 1 2 ()
nozzling ( )
nugget - ()
nugget
nugget
O
object of rare beauty -
obsidian -
obsidian ( )
octagonal cabochon -
octagonal cross - cut - 45
octagonal step - cut () 20
octahedron
odontolite ,
of the lowest (worst) type -
of uncommon (rare) beauty -
off cut ~ cutting ~
off - cast
ogee
oikocryst -
old mine cut
oligoclase
olivine ( ) () - -
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one - axle
one - piece
one - piece - forged
one - piece - rolled
onyx
onyx , algerian ~ californian ~ cave ~
onyx agate ,()
onyx - opal -
opal -
opal - black ~ , , - - - boulder ~ 1 - 2 cat s eye ~ cherry ~ - common ~ () - , contraluse ~ , harlequin ~ - - fire ~ ,
opal - agate
opalescence stellate ~
opalescent - ( )
opalescent (opalesque) ,
opaline ,
opaline 1 , 2 ,
opalinglass
opalite
opaque , ,
open
open riser
opener
open - hearth ~
open - hearth furnace
opening ( )
open - work (ajoure ')
openwork -
opera 30 (, )
operation drilling ~ melting ~ mill ~
operator mill ~