Iolite has a long history of use as a gemstone, with evidence of its use dating back to ancient Greece and Rome. It was also used by the Vikings to navigate on cloudy days, as it has the unique property of displaying different colours when viewed from different angles.
In addition to its aesthetic value, iolite is a relatively hard gemstone, with a rating of 7 to 7.5 on the Mohs scale. It is found in many parts of the world, including Australia, Brazil, India, Madagascar, Myanmar, Namibia, Sri Lanka, and the United States.
Iolite is a beautiful and unique gemstone that has been valued for centuries for its beauty and mystical properties. Whether you are a collector or simply appreciate the beauty of gemstones, iolite is definitely worth exploring.