Jewelry Terminology: What is an Alexandrite?

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Of all the stones used in jewelry the alexandrite might be the most rare; even more rare than a diamond. It was named after the Russian tsar Alexander II who was alive during the 1800’s. The very first alexandrite crystals were found in April 1834 in the Urals.

The alexandrite will show both red and green which happen to be the official colors of old imperial Russia.

To find an alexandrite in great condition with great color is extremely rare. In the beginning of the 20th century the top gemologist for Tiffany & Co. used the alexandrite in platinum rings.

The most unique thing about alexandrite stones has to be its ability to change color. In daylight it appears to be green while in radiant light it appears to be red.

Alexandrites are extremely rare because of their chemical composition. It is similar to a chrysoberyl in that it contains iron and titanium; but an alexandrite also has chromium. The chromium is what causes the color change.

In jewelry terminology, the more vivid the color changes the more the stone is worth. If you can pinpoint the stone back to Russia then the stone is worth even more. Well cut alexandrites with great color can be worth more than rubies and emeralds.

The alexandrite has proven to be a stone for collectors and connoisseurs because of its amazing ability to change color in different lights. It is a rare stone that is becoming more popular every year due to increased knowledge from consumers.

by, Seth at Raymond Lee Jewelers

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