Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A greenish chrysoberyl that appears red in artificial light, used as a gemstone.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A form of chrysoberyl that displays a colour change dependent upon the light source, along with strong pleochroism.

from The Century Dictionary and Cyclopedia

  • n. A variety of chrysoberyl found in the mica slate of the Ural mountains.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a green variety of chrysoberyl used as a gemstone

Etymologies

German Alexandrit, after Alexander I.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Named after Alexander I of Russia. (Wiktionary)

Examples

  • This mineral furnishes us the gem, alexandrite, which is notable for its power to change in color from green in daylight to red in artificial light.

    A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public

  • An alexandrite laser is another red light laser, but it was a bit more efficient.

    Med Shirt | SciFi, Fantasy & Horror Collectibles

  • The next advancement in laser hair removal came in the form of an alexandrite laser.

    Med Shirt | SciFi, Fantasy & Horror Collectibles

  • For hair removal, I usually work with an alexandrite laser (which uses crystal to generate its laser light) or a diode (a super-conductor).

    Simple Skin Beauty

  • Lasers work with a monochromatic wavelength of light generated by liquid dye, crystals (like ruby or alexandrite), metal (a semiconductor like a diode), or gases (like CO2).

    Simple Skin Beauty

  • But then Henry found an alexandrite ring for me, and my magpie tendencies took over.

    …is there something i’m missing? « Love | Peace | Ohana

  • Ten years ago, the whole world lay at my feet, the ocean a glittering alexandrite skirt of sequined promise, the sky a ceiling stretched with an endless offering of lemon sorbet dawn, and me on my knees kissing your halo, of golden lights, Oh my golden boy. you were such an archangel of love, always filling my cradle of empty.

    wendchymes Diary Entry

  • Short-run colors like alexandrite lavender and tangerine now command hefty prices in the collector market.

    How To Buy & Sell just about Everything

  • Thanks! cas2 passion vine plant speedo asics propagating aromatherapy diffusers with timer dusty miller technology solutions dance now 2005 natures plus protein powder for cheap hydrosols eucalyptys bedspreads devil galangal natural russian alexandrite body dreaming nature blocking psycho house location kent ohio tourist waggler sanyo xacti vpc c1e mpeg4 - 2006-08-19 00: 06: 03

    Just Me, prattling on

  • His eyes, Joanna saw, were the clear green of alexandrite or peridot, deep-set and penetrating under silver-shot black brows.

    The Silent Tower

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