Andalusite is a gemstone known for its distinctive pleochroism, displaying different colors when viewed from different angles. In antiquity, andalusite was treasured for its supposed mystical properties, believed to bring balance and harmony to the wearer. Interestingly, andalusite is named after the region of Andalusia in Spain, where it was first discovered. It is also known as "cross-stone" due to the distinctive cross-shaped inclusions that can sometimes be seen within its crystals. Andalusite is considered a collector's gemstone due to its rarity and unique optical properties, making it a prized addition to gemstone collections and jewelry designs. Despite its relative obscurity compared to other gemstones, andalusite's beauty and intriguing characteristics continue to captivate gem enthusiasts and collectors worldwide.