What is the best color of alexandrite?
It is a common misconception that alexandrite changes color from green to red. In fact, the best alexandrites are teal, vanadium green, greenish blue, or blue-green under natural daylight or fluorescent and change to purple-red or red under incandescent light.
What color alexandrite is more valuable?
First, the closer the colors to pure green and red, the higher the value. Second, the more distinct the color change, the higher the value. Alexandrites can exhibit everything from 100% to just 5% color change. Thus, the most valuable gems would have a 100% color shift from pure green to pure red.
How can you tell good quality alexandrite?
Fine alexandrite is green to bluish green in daylight and red to purplish red in incandescent light. Its color saturation is moderately strong to strong. Stones that are too light do not reach the quality of color intensity seen in fine-quality gems. Stones that are too dark lack brightness and appear almost black.
What is an A grade alexandrite?
Overall Grading Value (AAAAA – A) These alexandrites are of Brazilian or Russian origin and are the rarest and highly sought out by collectors. They have rich color and 90 to 100% color change, very slightly included to eye clean clarity and exhibit nice sparkle.
Can natural alexandrite be purple?
In natural and fluorescent light, alexandrite can range from green to greenish blue, but under incandescent or candle light, it can appear purple to purplish red.
What is narsipatnam alexandrite?
Get Latest Price. nown in Russia as the “gem of the tsars, ” alexandrite has been described as an “emerald by day” and “ruby by night.” Alexandrite is a gem that exhibits strong pleochroism, meaning that it appears different colors when viewed from different angles.
Can alexandrite be pink?
Alexandrite can also change yellowish or pink colors and few rare specimens exhibit what is known as cat’s eye when its cut en cabochon.
What color is alexandrite in sunlight?
emerald green
Alexandrites are remarkable and rare gemstones. They display an extraordinary colour change according to the ambient lighting, from emerald green in daylight to ruby red in incandescent light from tungsten lamps or candles.
What are the most common colors of alexandrite?
What are the most common colors of alexandrite? The traditional view is that the best alexandrite , shifts from emerald green to ruby red, but this hardly ever occurs. Most alexandrites seem to show a good green in daylight or a beautiful red under incandescent light but few stones look good under every kind of light.
Why does alexandrite change color?
Abstract. Alexandrites are remarkable and rare gemstones.
How does alexandrite change color?
The color changing property of Alexandrite is known as ‘Alexandrite effect’, and is a result of chromium traces found in the gemstone. The chromium traces cause strong light absorption in the yellow and blue parts of the spectrum. The absorption band 580 nm allows the Alexandrite to change color from red to green when seen under different
How to identify alexandrite?
If it seems too good to be true,it probably is. Natural alexandrite is rare and valuable.