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AlexandriteA variety of chrysobery found in the mica-slate of the Urals. So named from Czar Alexander II. (1818, 1855–1881), because it shows the Russian colours, green and red.
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AlexandriteA semiprecious gemstone that is from the beryl family and appears to have different colours depending on the light it is viewed in, ranging from red to blue and green. Alexandrite has a hardness of 8. [..]
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AlexandriteNamed in honor of Czar Alexander II of Russia, alexandrite is actually a very special variety of the mineral chrysoberyl. It exhibits an exotic and highly prized optical property known as color change. When held in daylight, it appears greenish, but when held under the warm lights of candles or incandescent bulbs, it appears reddish. Even more exot [..]
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AlexandriteLaser at 755nm used for hair removal.
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AlexandriteLaser at 755nm used for hair removal.
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