Care and Treatment See jewelry care . Where Found Iolite is most commonly found in Sri Lanka, India and Madagascar, and was long ago mined in Norway and Finland. Viking mariners are thought to have used thin pieces of iolite as the first polarizing lens, a navigational tool used to determine the exact position of the sun. Birthstone Months See related gemstones . Star Stone Months See related gemstones .
Mystical Properties See related gemstones .
The Viking mariners used thin pieces of iolite as the world's first polarizing filter. Looking through an iolite lens, they could determine the exact position of the sun, and navigate safely to the new world and back. They have a huge selection, low prices, convenient shopping, and home delivery. Check it out today. The Crystal Ball Inc. A refreshing oasis in the vast internet desert of Same Old jewelry web sites .