Emeralds are formed when chromium, vanadium, and iron are present in the mineral beryl. The varying presence of these three elements gives emerald its range of color. Chromium and vanadium make an ...

beryl, onyx, jasper, sapphire, emerald, and carbuncle. It should be noted that the gems mentioned, while they could be different from the stones mentioned and be in fact a different stone, it’s ...

And to complement the checkerboard print, MacKenzie-Childs also released an Emerald English Garden print that features ...

London-listed Gem Resources has sold 8 130 ct in its first sales tender for emeralds produced from the Gravelotte mine, in ...

Figure 1. These emeralds from Musakashi, Zambia, range from 0.57 to 4.85 ct. The rough samples were polished with one window on each. The faceted sample measures 6.29 × 5.35 × 3.53 mm and weighs 0.97 ...