| Pardieu, Vincent, Vertriest, Wim, Weeramonkhonlert, Vararut, Raynaud, Victoria, Atikarnsakul, Ungkhana, Perkins, Rosey (2017) Sapphires from the Gem Rush Bemainty area, Ambatondrazaka (Madagascar) Research News, Gemological Institute of America. Basel, Switzerland: March 29, 2017 Kashmir-like' sapphires from Madagascar entering the gem trade in large sizes and quantities By Dr. Michael S. Krzemnicki, SSEF , Swiss Gemmological Institute Trade Alert. |