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Alexandrite is named for the former czar of Russia, Alexander II, and was first discovered in the Ural Mountains
of Russia, supposedly on the day of his birth. Chromium gives alexandrite its color and while, in most minerals, a
trace element like chromium would provide only one color to the mineral, in alexandrite it gives it two! Coloring
agents are dependent on the wavelength of light and the chemical bonds in the crystal to determine the color that
they will cause. An element like copper, in normal light, can cause a green color in malachite and a blue color in
azurite, it all depends on the character of the chemical bonding. In a single specimen of alexandrite, the chromium
is in such a balanced situation that the color of the specimen depends on the character of light that hits the
crystal. If the light is natural sunlight or fluorescent light, the crystal will be green; however, if the light is
incandescent light from a common indoor light bulb, then the crystal will appear red. antique alexandrite,
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