A
abalone shells
abatement
ability
abnormality
abradability
abradant
abrade
abrading tool
abrasion
abrasion resistance
abrasion - proof
abrasive , ,
abrasive paste
abrasiveness
abrupt
abrupture
absorb
absorber ,
absorption ,
abstergent
acceptable
accessories
accessory
accident - free
accretion
accumulation
accumulation place - ,
acerose
achondrite ,
achroite ,
achromatic
acicularity
acid
acrid
across ,
actinolite , ( , ) , -
action
adamant ,
adamantine spar ,
almandine spar ,
adaptive metallurgy
add luster to ( - )
addendum
addition ,
additive ,
parting additive
adorn (with)
adornment
adularia , (- )
advanced technology
aegirine , , - ; ,
aeration of moulding sand
Aeroide , , . aquamarine
aerolite ,
aerosiderite ,
affinage
afganite (, )
afterpurification
ag (e) ing treatment
agalmatolite , , , , ( )
agaphite (), , . turquoise
agate , - ; - ; band ~ ; onyx ~ ,(); quartzy ~ ; rainbow ~ ; royal ~ ( ); ruin ~ ; star ~ , ( ); white ~ - (); wood ~ -
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agate - cornelian , , , -
agatized wood , -
age
agent ,
aggregat (ion) -
aggregate structure -
aggregated -
agilite ,
agitation ,
aglaurite ,
aglet -
agnesite ,
agnolite , -
ags (american gem society)
Agstein , . jet
air
air - sand
airvoid
alabandite - (), - ,
alabaster , ,