Select a ruby, sapphire, emerald, and gem bucket for better chances of finding ... will break down your discoveries at the end of your mine and help your rocks shine. Clearly, the main attraction ...

Less understood, however, are the nuances of why a particular gem might be so ... The Insofu emerald, a 6,225-carat piece of rough found in Zambia’s Kagem Mine in 2010 and purchased by Chopard ...

Gemfields is the operator and 75% owner of both the Kagem emerald mine, in Zambia, and the Montepuez ruby mine, in Mozambique. It also holds controlling interests in various other gemstone mining ...

The Mariinsky Priisk deposit is the only emerald deposit in Russia in the Sverdlovsk region, and its value, together with the scattering of precious stones mined at the mine, will be 32 million ...