Alexandrite Color Change Sapphire

What s an alexandrite sapphire.

Alexandrite color change sapphire.

Finding green to red is extremely rare in sapphire whereas that is the norm for alexandrite. The chromium traces cause strong light absorption in the yellow and blue parts of the spectrum. 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. Red color change garnet at alexandrite discussion forums alexandrite guide.

The most prominent example is synthetic color change sapphire which has been sold as an alexandrite impostor for years. Most color change sapphires change from blue to purple. 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. The color changing property of alexandrite is known as alexandrite effect and is a result of chromium traces found in the gemstone.

Therefore this sapphire replica is more like an alexandrite simulant. See results 1 2 of about 2 for color change sapphire. Natural sapphires can also show a color change effect but it is usually less pronounced. 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.

That s because alexandrite is a variety of the chrysoberyl mineral and is not a sapphire which is a completely different mineral. Color change corundum was grown around 100 years ago the first time and used since then as an alexandrite simulant. I bet it is a man made color change sapphire so many are sold on ebay as alexandrite but the name is deceiving. This material should be more accurately described as simulated alexandrite rather than synthetic alexandrite.

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. Alexandrite exhibits a green to red purple color change and has a completely different make up chemically to sapphire.