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