What Are the Factors That Change the Colour of Emeralds?
Emerald gemstone is one of the four recognised precious gemstones along with sapphire, ruby, and diamond. It is also the known birthstone for May. It has long been regarded as one of the most valuable and sought-after coloured gemstones. Due to its distinctive green colour, durability, and rarity, an emerald is currently one of the most expensive and popular gems. Let’s take a look at some of the facts about emeralds . Emerald Origin and Formation Emerald is a gemstone of the beryl family that forms in igneous, metamorphic, and sedimentary rocks under heat and pressure throughout hundreds of millions of years. The colour of gemstones ranges from green to greenish-blue. Its name is derived from the Latin "smaragdus" and the Greek word "smaragdos," both of which refer to green gemstones. Four elements, including beryllium, aluminium, silicon, and oxygen, are responsible to make emeralds. These four elements combine to make em...