T-V Jewelry Dictionary
T taaffeite - (tar'fite) A rare violet, doubly refracting, [...]
T taaffeite - (tar'fite) A rare violet, doubly refracting, [...]
N naat - A thin, flat, twinned diamond crystal; [...]
J jacinth - (ja-sinth) Reddish brown zircon, also known [...]
E eagle stone - Agtite, said also to include [...]
A aa - former industry term for a quality [...]