Emerald is a precious stone belonging to the beryl group of minerals.  Emeralds are green with different shades (medium green, darker green, blue-green or  yellowish-green). “Emerald” comes from the old French word “esmeralde” deriving from the Greek word “smaragdos” meaning “green stone”. This gemstone is found mostly in Colombia but also in South America, Africa, Europe, Brazil and Zambia. My favourites are the colombian emeralds which have an intense green colour with a light point of blue.