The faceted sample measures 6.29 × 5.35 × 3.53 mm and weighs 0.97 ct. Photo by N. Kitdee. The traditional practice of assigning Colombian origin to emeralds exhibiting three-phase inclusions (Giuliani ...

View this post on Instagram A post shared by Liz Halliday (@lizhallidayeventing) Liz Halliday and her team have shared a new update today, written by Liz, who continues to get stronger and is now ...