Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Gemstones and other Jewelry topics.
Iolite has been referred to as the "Viking's compass." On cloudy days, the Vikings were able to locate the position of the sun by looking through a thin colorless slices of iolite. The stone acted as a light polarizer and cancelled out haze and mist.