Emeralds are on the list of three key precious gemstones (as well as rubies and sapphires) and therefore are noted for their fine eco-friendly to bluish inexperienced colour. They have been treasured through history, and a few historians report the Egyptians mined emerald as early as 3500 BC. Zig zag https://archerwafjm.tnpwiki.com/6196965/the_greatest_guide_to_gemstone_jewellery_uk