By: Ann Knapp The naturally occurring gemstone is a crystalline form of a mineral. Desirable for their beauty, gemstones are also loved for their rarity and durability. As adornments in jewelry, gemstones can bring enjoyment for generations. While many gems have remained popular for years, some are rare collector stones that have only been discovered recently. Emeralds The much-loved emerald is admired for its radiant green color. The top quality emeralds are considered even more valuable than diamonds. For centuries, fantastic stories have grown up around this magnificent gem and in some cultures the gemstone held great power. For instance, in South America the Incas and Aztecs considered the emerald a holy gemstone. Indian maharajas believed the green emerald to possess healing and good luck powers. They were so valued in...
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