Study of a recut HPHT synthetic diamond: colour vs size vs SWUV transmission
Author(s) : -
Date : 2019
Presentation by Jean-Pierre Chalain at the International Gemmological Conference (IGC) in August 2019.
Download PDF
Tag : Colour
Blue-green emerald from Nigeria (a consideration of terminology)
Author(s) : -
Date : 1992
Blue-green emerald from Nigeria (a consideration of terminology). Published in Australian Gemmologist, 1992.
Author(s): H.A. Haenni