Alexandrite | Gemstone
Alexandrite is a rare and valuable gemstone that is known for its remarkable color-changing properties. It was first discovered in the Ural Mountains of Russia in the 1830s, and was named after the Russian tsar, Alexander II. Today, alexandrite is found in a few other locations around the world, including Brazil, Sri Lanka, and Madagascar.
The color-changing effect of alexandrite is due to its unique chemical composition, which includes traces of chromium. In daylight or fluorescent light, alexandrite appears greenish-blue or yellowish-green, while in incandescent light it appears purplish-red or reddish-brown. This phenomenon is known as pleochroism.
Alexandrite is a relatively hard gemstone, with a rating of 8.5 on the Mohs scale of hardness. It is often used in high-end jewelry, particularly in rings and earrings. Due to its rarity, alexandrite is quite expensive, with prices varying depending on the size, color, and quality of the stone.
In addition to its use in jewelry, alexandrite is also valued by collectors and gemstone enthusiasts for its unique properties and rarity. It has been known to fetch very high prices at auctions and is often sought after by those looking for a truly special and unique gemstone.
