The best incandescent color of brazilian alexandrites is a reddish purple or raspberry color. Alexandrites like so many gemstones range widely in available colors. Although brazilian stones normally show a superior color change some indian stones are outstanding and the daylight greens are the very best. Learn more about how color affects the value of alexandrite. The most desirable colors of alexandrite are bright richly saturated and without tones of grey or brown.
Typically its three pleochroic colors are green orange and purple red. Tanzanian alexandrite also possess lighter tone and change color moderately. Despite claims by some sellers only chrysoberyl that is greenish blue green to yellow green by daylight and reddish orange red to red purple by incandescent light can be called alexandrite. 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. Reds and greens are the most expensive and sought after.
But rather than change in illumination it is the viewing angle or the orientation of the crystal that causes the change in the stone s color. Alexandrite is the color change variety of the mineral chrysoberyl. Alexandrite is also a strongly pleochroic gem which means it can show different colors when viewed from different directions. Alexandrite is the month of june s birthstone. Many modern sources frequently use emerald by day ruby by night to romanticize alexandrite s color.
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Large alexandrites are very rare. However the striking color change doesn t arise from the gem s pleochroism but rather from the mineral s unusual light absorbing properties. The change in color is due to the way the stone absorbs certain wavelengths of light. In zimbabwe the alexandrite have a minor color change and normally reflect the darker shades of purple. In sri lanka the alexandrite exhibits a brown or khaki hue when it changes color.In order to be classified as a true alexandrite it must show a distinct color change from red to green. These can still be beautiful but they should be far cheaper. In order to be classified as a true alexandrite it must show a distinct color change from red to green. Large alexandrites are very rare. But rather than change in illumination it is the viewing angle or the orientation of the crystal that causes the change in the stone s color.
These can still be beautiful but they should be far cheaper. Typically its three pleochroic colors are green orange and purple red. The best incandescent color of brazilian alexandrites is a reddish purple or raspberry color.
