Aquamarine

aquamarine (ăk'wəmərēn`, äk'–) [Lat.,=seawater], transparent beryl with a blue or bluish-green color. Sources of the gems include Brazil, Siberia, the Union of Myanmar, Madagascar, and parts of the United States. Oriental aquamarine is a transparent crystalline corundum with a bluish tinge. The emerald is similar in composition, differing only in color.

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aquamarine

Pale greenish blue or bluish green variety of beryl that is valued as a gemstone. The most common variety of gem beryl, it occurs in pegmatites, in which it forms much larger and clearer crystals than emerald, the dark green variety of beryl. Aquamarine occurs in Brazil, which is the chief source, and in such other sites as the Ural Mountains, Madagascar, Sri Lanka, India, and Maine, New Hampshire, Connecticut, North Carolina, and Colorado in the U.S. Heat treatment is commonly used to improve the colour of gem beryls.

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aquamarine

1. a pale greenish-blue transparent variety of beryl used as a gemstone

2. 

a. a pale blue to greenish-blue colour

b. (as adjective): an aquamarine dress

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aquamarine [‚ak·wə·mə′rēn]

(mineralogy)

A pale-blue or greenish-blue transparent gem variety of the mineral beryl.

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aquamarine

March alternate birthstone. [Am. Gem Symbolism: Kunz, 319]

See : Birthstones

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Aquamarine

a variety of the mineral beryl that appears as light blue, light bluish green, greenish blue, and grayish light blue transparent crystals. A semiprecious stone, aquamarine is used in jewelry. The most expensive aquamarine is obtained from deposits of pegmatite and greisen found in the USSR, Brazil, the USA, the island of Madagascar, and India.