Alexandrite is a rare and captivating gemstone known for its remarkable color-changing properties, shifting from vibrant green in daylight to a deep red or purplish hue under incandescent light. This stunning effect, known as “color change,” makes Alexandrite a favorite among collectors and jewelry enthusiasts. Its unique beauty is complemented by a hardness of 8.5 on the Mohs scale, making it suitable for various types of jewelry.