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Emeralds are a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium. Some people actually prefer an emerald with very minute flaws over a flawless emerald, as this proves authenticity of the stone. A mineral is a naturally occurring solid formed through geological processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties. To be classified as a true mineral, a substance must be a solid and have a crystalline structure.

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15y ago

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