This material should be more accurately described as simulated alexandrite rather than synthetic alexandrite.
Alexandrite color change sapphire.
The chromium traces cause strong light absorption in the yellow and blue parts of the spectrum.
Natural sapphires can also show a color change effect but it is usually less pronounced.
Color change corundum was grown around 100 years ago the first time and used since then as an alexandrite simulant.
What s an alexandrite sapphire.
The color changing property of alexandrite is known as alexandrite effect and is a result of chromium traces found in the gemstone.
According to gia alexandrite s finest dual colors are a vivid grass green in daylight and fluorescent light and an intense raspberry red in incandescent light.
See results 1 2 of about 2 for color change sapphire.
Synthetic color change sapphires may look like alexandrite stones but in terms of their structure they are nothing alike.
A lot of alexandrite heirloom jewelry uses this corundum that often contains vanadium to produce the color change.
Finding green to red is extremely rare in sapphire whereas that is the norm for alexandrite.
I bet it is a man made color change sapphire so many are sold on ebay as alexandrite but the name is deceiving.
Alexandrite is a color change variety chrysoberyl and is considered one of the rarest gemstones in the world.
Generally this refers to a laboratory grown sapphire that has been manufactured with trace elements that give it a color change effect similar to natural alexandrite.
Red color change garnet at alexandrite discussion forums alexandrite guide.
Therefore this sapphire replica is more like an alexandrite simulant.
That s because alexandrite is a variety of the chrysoberyl mineral and is not a sapphire which is a completely different mineral.
Only a trained eye can make out the difference between the lab created alexandrite and the real alexandrite the most common corundum colors are blue sapphire and ruby but we can also supply you white sapphire orange sapphire yellow sapphire and alexandrites in all shapes and sizes.
Alexandrite exhibits a green to red purple color change and has a completely different make up chemically to sapphire.