IOLITE – Iolite is a blue silicate mineral that occurs as crystals. Seafaring Vikings used iolite to filter the haze and glare from their eyes. The name is from the Greek “Ios” meaning violet. Iolite has a pleasing color of blue and the most desirable color is rich violet-blue. Mined in Sri Lanka, Africa and Brazil and can be obtained in sizes up to 4 to 5 carats reasonably easily although much larger gems have been found. This pleasing blue gemstone is commonly cut into traditional shapes and is gaining widespread popularity for its beauty and attractive affordability.