aquamarine (ăkˌwəmərēnˈ, äkˌ–)
[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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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
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.
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.
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.
1. a pale greenish-blue transparent variety of beryl used as a gemstone
a. a pale blue to greenish-blue colour
b. (as adjective): an aquamarine dress
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005