aquamarine

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aquamarine

(ăk'wəmərēn`, äk'–) [Lat.,=seawater], transparent berylberyl
, mineral, a silicate of beryllium and aluminum, Be3Al2Si6O18, extremely hard, occurring in hexagonal crystals that may be of enormous size and are usually white, yellow, green, blue, or colorless.
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 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.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

aquamarine

[‚ak·wə·mə′rēn]
(mineralogy)
A pale-blue or greenish-blue transparent gem variety of the mineral beryl.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

aquamarine

March alternate birthstone. [Am. Gem Symbolism: Kunz, 319]
Allusions—Cultural, Literary, Biblical, and Historical: A Thematic Dictionary. Copyright 2008 The Gale Group, Inc. All rights reserved.

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
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Markle brought the aquamarine ring with her on her ongoing tour of Australia that started on Oct.
Stern employs thirty-five hundred people--about twenty-eight hundred in Brazil--in the business of producing jewelry from gold, diamonds, and a dazzling array of local gemstones ranging from aquamarine and amethyst to tourmaline, topaz, and tanzanite.
During the first half of 2000, a major discovery of aquamarine was made at Erongo Mountain in Namibia.
Both localities produce topaz and aquamarine, so caution is needed to determine the exact locality for one's purchases!