Iolite, also known as cordierite, is a captivating blue to violet gemstone formed in metamorphic rocks, often displaying a striking pleochroism, showing different colours when viewed from different angles. Historically, sailors used it as a "Vikings’ Compass” to navigate the seas. Folklore attributes iolite with clarity and guidance, while metaphysically it is believed to enhance intuition, balance, and inner vision. Its deep, ethereal hues make it a favourite for jewellery, collectors, and those seeking spiritual insight and mental clarity.