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Emerald 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. Beryl has a hardness of 7.5–8 on the Mohs scale. Most emeralds have many inclusions, so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
Learn about emerald, the bluish green to green variety of beryl, a mineral species that includes aquamarine. Find out about its history, lore, quality factors, treatments, synthetics, and more.
Learn about emerald, the bright green gem of the beryl mineral family and the May birthstone. Find out how to identify, value, and care for emeralds, and explore their geologic and cultural history.
11 de abr. de 2024 · Emerald is a green variety of beryl that is highly valued as a gemstone. Learn about its origin, sources, virtues, synthesis, and physical properties from Britannica, the online encyclopedia.
Emerald Value, Price, and Jewelry Information. Emerald has been synonymous with the color green since ancient times. A fine emerald is a truly breathtaking sight, and this member of the beryl family deserves its placement among the traditional “Big Four” gems along with diamond, ruby, and sapphire. 14 Minute Read.
