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- Emerald - WikipediaEmerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
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- Emerald: The World's Most Popular Green Gem, May BirthstoneEmeralds are gem-quality specimens of the beryl mineral family with a rich, distinctly green color. They are found in igneous, metamorphic, and sedimentary rocks in a small number of locations worldwide. For over 5000 years, emeralds have been one of the most desirable and valuable colored stones.
- Emerald Gemstone | Emerald Stone - GIAEmerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine. Highly saturated green color defines high quality emerald. Emerald cuts have concentric parallel rows of facets and beveled corners. Eye visible inclusions create an internal scene referred to as “jardin,” or garden.
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