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Alexandrite Gemstone | Natural Alexandrite Stone - GIA
- https://www.gia.edu/alexandrite
- Alexandrite is the color-change variety of the mineral chrysoberyl. Alexandrite is bluish green in daylight or fluorescent light. Alexandrite is purplish red in incandescent light or candlelight. This alexandrite specimen is made up of …
Finally! A "true" photo of the green of Alexandrite! | PriceScope
- https://www.pricescope.com/community/threads/finally-a-true-photo-of-the-green-of-alexandrite.253517/
- The camera usually refuses to photograph it accurately ..... until now! A few days ago I was in my car and looked down at my hand and thought what a shame it was I couldn't capture the green. However, I've recently bought an iPhone 11 so I thought I'd just take a quick photo to see if there was any chance I could capture the green.
All That Glitters - Alexandrite Information and Photos
- http://atggems.com/Photos_Alexandrite.htm
- A Brasilian Alexandrite Oval weighing 0.57cts and having a great green to bluish green color, turning to various colors depending on the lights, but have seen a sort of green/blue/grey purple which is difficult to describe. Of course, both colors …
Alexandrite chrysoberyl: The gemstone Alexandrite …
- https://www.minerals.net/gemstone/alexandrite_gemstone.aspx
- Alexandrite is a very rare and highly valuable gemstone, and until recently was extremely difficult to obtain due to its rarity. However, new sources in Brazil and Tanzania have made this gemstone available and more mainstream on the gemstone market. Chemical Formula. BeAl 2 O 4. Color. Blue, Red, Green, Yellow, Pink, Purple, Gray, Multicolored.
Alexandrite – 10 Things You Should Know Before You Buy
- https://weddingknowhow.com/jewelry/alexandrite-gemstone-buying-guide/
- Alexandrite can have color change that ranges from 100% to just 10%. The more distinct its color change, the higher the value. More than that, the color change in the gemstone should have a high saturation in both its green and red colors. …
Alexandrite Value, Price, and Jewelry Information
- https://www.gemsociety.org/article/alexandrite-jewelry-and-gemstone-information/
- Over one carat, the prices range from $50,000 to $70,000 per carat! For more detailed value information, see our alexandrite buying guide. 1. 2. 3. This oval-cut alexandrite has a 100% color change, from a strong blue-green in sunlight to a purple “plum” red in incandescent light. 0.35 cts, 5.1 x 4.2 mm, Russia.
Alexandrite: Meanings, Properties and Powers - The …
- https://meanings.crystalsandjewelry.com/alexandrite/
- Alexandrite can assist in the healing of the nervous system and the reproductive organs. This stone can also aid in the assimilation of proteins. It can relieve tension from the neck muscles. It also has a very effective detoxifying action that can get rid of the body’s toxins and impurities.
Is My Alexandrite Just A Color-Change Chrysoberyl?
- https://www.gemsociety.org/article/the-misconception-and-erroneous-marketing-of-alexandrite-versus-color-change-chrysoberyl/
- For just a good grade of this so-called alexandrite, you might pay $2,500 – $4,500 in the size range of 1-2 carats. For a true alexandrite, a stone with a slight green/red color change can cost $6,000 per carat in that size. For a good grade of that size, the cost goes up to $60,000 per carat! Color-change chrysoberyls are uncommon and also ...
Alexandrite Laser Treatment Explained — DermNet
- https://dermnetnz.org/topics/alexandrite-laser-treatment
- Alexandrite laser treatment causes very precise tissue destruction of a lesion, pigmentation, or hair follicle, and leaves the tissue in the surrounding area undamaged. ... Thus alexandrite lasers work by a process of photothermolysis: this means using light (photo) to heat (thermo) a selected area for destruction (lysis).
Andromeda Galaxy (M31): How to Photograph with a DSLR Camera
- https://astrophotons.com/andromeda-galaxy
- Calculate exposure time (500/100 = 5s), set very high ISO, and you are done. But the truth is, you won't capture any details on such a short exposure time like this. Unfortunately, to take a good photo of the Andromeda Galaxy with a DSLR or a mirrorless camera, you need an equatorial mount.
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