Alexandrite Gemstone is a rare variety of the mineral Chrysoberyl & is a strongly pleochroic gem. The eye was slightly greenish-bluish-white and the stones were dull and oily. The more predominant the color change, the more valuable.
Alexandrite is Beryllium Aluminium Oxide (BeO Al2 O3). Specimens were a dark greyish-green with slightly purple overtones under fluorescent lighting.
First, you must consider how dramatic the color change effect is.
Color-changing alexandrite is nature’s magic trick.
But it's important to note that many of the newly found gems are not as vividly colored as the Russian gemstones and do not change color as dramatically. Synthetic alexandrite is an artificially-grown crystaline variety of chrysoberyl, composed of beryllium aluminum oxide (BeAl2O4). Alexandrite is rated at 8.5 on the Mohs scale, between diamond at 10 (the hardest gem) and corundum (sapphire and ruby) at 9. Alexandrite is still sensitive to knocks and extreme heat. Fake alexandrite from the 1920s was made out of the mineral corundum (sapphire and ruby) and then laced with chromium or vanadium to create the color-change effect. The closer the stone is to true red and green and the more dramatic the change, the more valuable the stone.Size is another important factor since alexandrite stones in larger karat sizes are extremely rare, making them more in demand. The eye was broad and of moderate intensity. Less desirable alexandrite found today may be translucent or opaque. Alexandrite Lab Created Chrysoberyl 7x9 MM.
The second aspect of color is how close the stone is to true green and red.
Oval Faceted Weak Color change $89.00 59.65 Ct Excellent Color-Change Alexandrite AAA+ Quality Fancy Cut AGSL Gemstone Jewelry created from Russian alexandrite is sometimes sold at estate auctions and typically fetches a high price. The name chrysoberyl is derived from the Greek words χρυσός chrysos and βήρυλλος beryllos, meaning "a gold-white spar". Of course, you can also wash them with warm, soapy water and a brush. Despite the similarity of their names, chrysoberyl and beryl are two completely different gemstones, although they both contain beryllium. Evaluating an alexandrite's color is two-fold. This blue to purple color change more likely indicates a hydrothermal lab-grown alexandrite. Clarity and transparency are often overlooked so long as the stone is large and exhibits an impressive color change.Alexandrite has since been found in other parts of the world, including Sri Lanka, India, Madagascar, and Brazil.
The Inamori synthetic alexandrite had a cat's eye variety, which showed a distinct color change. The stone is said to dispel negative energy and absorb positive vibes from our surroundings.Illustration: The Spruce / Madelyn GoodnightThis rare and expensive gemstone is hard to find in your everyday jewelry store, despite being named the official birthstone of June. Red and green were Imperial Russia's national colors, increasing demand for the gemstone and eventually depleting the supply found in the Urals.
The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula BeAl2O4. Find out how to assess alexandrite by first learning all the basics.Alexandrite was first discovered in the 1830s in Russia's Ural Mountains and named after the future Czar of Russia, Alexander II. Its hardness on Mohs scale is 8.5.
You can clean them mechanically, per the instructions of the system used.
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