GEMHUB 11.8 Ct. Color-Changing Alexandrite Gemstone Loose Lab-Created Gemstone

Alexandrite is a rare and valuable gemstone known for its unique color-changing properties. It belongs to the chrysoberyl family of minerals and is named after the Russian tsar, Alexander II. Alexandrite was first discovered in the Ural Mountains of Russia in the early 19th century, and it has since been found in various other locations around the world, although high-quality specimens remain rare. The most distinctive feature of alexandrite is its ability to exhibit different colors depending on the lighting conditions. In daylight or fluorescent light, alexandrite appears greenish-blue to green, while in incandescent light or candlelight, it exhibits a reddish-purple to purplish-red color. This phenomenon is known as "alexandrite effect" or "color change effect" and is due to the presence of chromium in the crystal lattice of the gemstone. Alexandrite is usually transparent and has a high refractive index, which gives it excellent brilliance and sparkle. It has a hardness of 8.5 on the Mohs scale, making it relatively durable and suitable for use in jewelry. However, due to its rarity, high-quality alexandrite gemstones can be quite expensive.

• Alexandrite is a variety of the mineral chrysoberyl and is typically green in daylight or fluorescent light but can appear reddish-purple in incandescent light or candlelight. The color change is caused by the way the gemstone absorbs and reflects light in different environments.
• Due to its rarity, alexandrite is quite expensive and highly sought after by collectors and gemstone enthusiasts. Some of the world's largest alexandrite deposits have been found in Brazil, Sri Lanka, and Tanzania, although Russian alexandrite is still considered the most valuable due to its historical significance and superior color.
• Alexandrite is a rare and valuable gemstone that is known for its color-changing properties. It was first discovered in 1830 in Russia's Ural Mountains and was named after Tsar Alexander II.
• Perfect For: Jewelers, Jewelry makers, Goldsmiths, Designers, Craftsmen, Collectors or a gift for the special one. Each and every stone is unique and you will receive ones similar to the image shown.