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Look up: Alexandrite

  1. Alexandrite
    Discovered in 1830 in Russia, and named after Czar Alexander II of who was then Crown Prince of Russia, alexandrite is a form of the mineral chrysoberyl noted for its color change in different forms of light. In sunlight alexandrite looks blue-green, but in indoor (tungsten) light it the same stone ...
    Found on http://www.encyclo.co.uk/local/10139

  2. alexandrite
    [n] - a green variety of chrysoberyl used as a gemstone
    Found on http://www.webdictionary.co.uk/definitio

  3. alexandrite
    variety of chrysoberyl Category: Various industries and crafts
    Found on http://www.mijnwoordenboek.nl/definition

  4. alexandrite
    A green or greenish-brown gemstone which glints varying shades of red under artificail light. The gem was discovered in the Ural mountains, Russia, in 1830, on the birthday of Tsar Alexander II. A synthetic form of CORUNDUM exhibits similar colour changes ad is sold in the Middle East as alexandrite, but is of little value.
    Found on http://www.encyclo.co.uk/visitor-contrib

  5. alexandrite
    noun a green variety of chrysoberyl used as a gemstone
    Found on http://wordnetweb.princeton.edu/perl/web

  6. alexandrite
    (from the article `chrysoberyl`) Alexandrite is a remarkable and valued variety that when viewed along the different crystallographic (optical) axes, changes from columbine red to ... The two best known and most widely used varieties of chrysoberyl are alexandrite (transparent) and Oriental cat`s-eye (opaque). Because of its great ... ...
    Found on http://www.britannica.com/eb/a-z/a/44

  7. Alexandrite
    Alexandrite is a Greek girl name. The meaning of the name is `Elongation` The name Alexandrite doesn`t appear In the US top 1000 most common names over de last 128 years. The name Alexandrite seems to be unique!
    Found on http://i-am-pregnant.com/names/girls/Ale

  8. Alexandrite
    Alexandrite is a variety of chrysoberyl found in the mica-slate of the Urals. It was named after Czar Alexander II because it shows the Russian colours of green and red.
    Found on http://www.probertencyclopaedia.com/brow

...

14 February 2012

This day in history:
/calendar/ February 14 is Valentine's Day. Although it is celebrated as a lovers' holiday today, with the giving of candy, flowers, or other gifts between couples in love, it originated in 5th Century Rome as a tribute to St. Valentine, a Catholic bishop. The first Valentine card grew out of this practice. The first true Valentine card was sent in 1415 by Charles, duke of Orleans, to his wife. He was imprisoned in the Tower of London at the time. Cupid, another symbol of the holiday, became associated with it because he was the son of Venus, the Roman god of love and beauty. Cupid often appears on Valentine cards. read more

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