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Operculum , , . . , . china stone




ophite -

optic axis

optically negative ( )

option - ,

option ,

opulent - ,

orangy pink diamond

orb ( )

orchid drop pendant

order of interference colour ()

ore 1 2 blue copper ~ copper pitch ~ kidney ~ ,

ore ~ () oreing ~ () pulling ~ ( ) smelting ~

orient 1 2

oriental 1 ( ) 2

oriental agate ( )

original -

orletz , ( )

ormolu -

ornament ,

ornamental

ornamentation

ornate

orthoclase -

orthoclase ( ) , , ,

osteolite

ounce

ounce () , 31,1035

out draw - drilling - drive - fatten - () file - () hammer - hammering - plate - ( ) roll - rolling -

outer rim

output - production - smelting - ( )

output ( )

oval cabochon -

oval cut

oval diamond ring

oval flat table -

oval hexagonal cross - cut - 48

oval link chain

oval tag pendant

overbending ( )

overburning

overfill () ()

overfire

overfired

overfiring

overheating

overlaying ( )

overtemper

overtempering

oxidant

oxidation -

oxide

oxide film

oxidizing

oxidizing ~ ( ) reducing ~ ( )

oxidizing atmosphere

oz (ounce) = 8 drams = 480 grains = 311 gram (me) s

P

pad -

padmaragaya ,

pagodite , , ,

painite ( ) -

paint ~ palladium ~ ( , 10 % pd) placer ~ , platinum ~ primary ~ river - bar ~ rusty ~ , shotty ~ standart ~ stream ~ wire ~

painted enamels () ,

painted stones ,

pair amber with 9 ct gold 9 -

palladium -

palladium coins

palladium, pd

palmette pan charging - drain - mold - swart -

palygorskite ( ) , ,

pane paper

panels of black agate

panels of coloured enamel -

papagoite ( )

parachrosis ()

paragon , 100

parallel ~ () secondary ~ () zonal ~ ()

parcel - gilt

parget

parisite (- ) - -

part

parting dust(powder,sand)

parting , ,

parting , ,

parure ,

paste ( ), -

patching roller -

paternoster

pattern () ( ) decorative - double - contraction - master - -

pattern maker s contraction

patternmaker

pave

pave - set , ,

pavilion

pavilion facets ( )





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