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
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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 , ,
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pavilion
pavilion facets ( )