Alexandrite Color Change Sapphire

The most prominent example is synthetic color change sapphire which has been sold as an alexandrite impostor for years.

Alexandrite color change sapphire.

Color change corundum was grown around 100 years ago the first time and used since then as 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. Therefore this sapphire replica is more like an alexandrite simulant. 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. Red color change garnet at alexandrite discussion forums alexandrite guide. What s an alexandrite sapphire. Most color change sapphires change from blue to purple.

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 is a color change variety chrysoberyl and is considered one of the rarest gemstones in the world. The color changing property of alexandrite is known as alexandrite effect and is a result of chromium traces found in the gemstone. I bet it is a man made color change sapphire so many are sold on ebay as alexandrite but the name is deceiving.

The chromium traces cause strong light absorption in the yellow and blue parts of the spectrum. 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. This material should be more accurately described as simulated alexandrite rather than synthetic alexandrite. Natural sapphires can also show a color change effect but it is usually less pronounced.

One of the most versatile and captivating stones natural alexandrite is one of the few precious gems that changes color from a sea green in white light to cherry red in incandescent lighting. A lot of alexandrite heirloom jewelry uses this corundum that often contains vanadium to produce the color change.