Beryl

Varieties of beryl have been considered gemstones since prehistoric times.

Colorless beryl is called goshenite, pink beryl is morganite, red beryl is bixbite or "red emerald" or "scarlet emerald," clear bright yellow beryl is "golden beryl," yellow-green beryl is heliodor, green beryl is emerald, blue beryl is aquamarine, and deep blue beryl is maxixe. Red beryl is extremely rare. Usually gems are under a carat, are only used in very special jewelry. It is mined primarily in Utah. Blue beryl (aquamarine) will not fade in color when exposed to sunlight. Maxixe is a deep blue stone that fades to white when exposed to sunlight or is subjected to heat treatment, though the color returns with irradiation. Other, unnamed shades such as honey yellow are also known.

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Information Courtesy of AGTA