The Largest Alexandrite Producers in the World

The Largest Alexandrite Producers in the World @CityGlobeTour ********************************* Alexandrite is a gemstone that belongs to the chrysoberyl mineral group. It was first discovered in the Ural Mountains of Russia in the 1830s, and was named after the Russian tsar Alexander II. Alexandrite is unique in that it displays a color change effect, appearing green in natural light and red or purplish-red in artificial light. The color change is due to the presence of chromium and other trace elements in the crystal structure, which cause the absorption of certain wavelengths of light. The more vivid and distinct the color change, the more valuable the stone is considered to be. Alexandrite is a relatively hard and durable gemstone, with a Mohs hardness of 8.5. It is considered to be a rare and highly prized gemstone, and is often used in high-end jewelry pieces. While natural alexandrite is quite rare and expensive, there are also lab-created versions of the stone t