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Related to alexandrite: birthstones


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

[German Alexandrit, after Alexander I.]


(Minerals) a green variety of chrysoberyl used as a gemstone
[C19: named after Alexander I (1777–1825), tsar of Russia (1801–25); see -ite1]


(ˌæl ɪgˈzæn draɪt, -ˈzɑn-)

a variety of chrysoberyl, green by daylight and red-violet by artificial light, used as a gem.
[1830–40; after Alexander I of Russia; see -ite1]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.alexandrite - a green variety of chrysoberyl used as a gemstonealexandrite - a green variety of chrysoberyl used as a gemstone
chrysoberyl - a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone
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The Nd:YAG lasers work best for red and black ink, while Alexandrite lasers work best for green and blue ink.
8 High success rate and minimal adverse effects have been reported with the Q-switched ruby, Q-switched alexandrite (755 nm) and Q-switched Nd:YAG lasers (1064 nm).
The dermatology department of the saint-louis hospital wants to acquire a nd: Yag + alexandrite de-staging laser of the latest generation allowing the following applications: - vascular lesions, - pigment lesions, - epilation all phototypes, - possibility of treating nail fungus.
Her latest art project, "SUGE," was inspired by a visit to the Smithsonian, where rare gemstones like alexandrite and tanzanite were on display.
Transient erythema and perifollicular edema were found in all the three modalities, hypopigmentation was associated with QS 1064-nm Nd:YAG laser in less than 1% compared to 18% and 17% in ruby and alexandrite lasers, respectively.
The global medical laser systems market segmentation is based on product types (diode lasers, solid state lasers, holmium yttrium aluminum garnet lasers, erbium yttrium aluminum garnet lasers, neodymium yttrium aluminum garnet lasers, potassium titanyl phosphate lasers, alexandrite lasers, ruby lasers, gas lasers, CO2 lasers, argon lasers, krypton lasers, metal vapor lasers, helium-neon lasers, excimer lasers , dye lasers) and its applications (cardiovascular, dentistry, dermatology, gynecology, ophthalmology, urology).
Cynosure's product portfolio is composed of a range of energy sources including Alexandrite, diode, Nd: YAG, picosecond, pulse dye, Q-switched lasers, intense pulsed light and radiofrequency technology.
Q-switched alexandrite laser (755 nm) has been used with satisfactory results and no adverse effects [10].
Caption: Right: The Stones vase by Moser features a mix of alexandrite and retail for $5,315.
How the present owner came to possess the Alexandrite is unclear, more so as he prefers to remain anonymous but what is undisputed is that the gem has been named Alexandrite.