Iolite 4x6mm Faceted Rondelle - 15-16 Inch R0471 Though it is widely known

Though it is widely known to be untrue

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors

bringing wisdom and spiritual devotion to its wearers

neither a crystal nor a mineral

gold and brown

Iolite 4x6mm Faceted Rondelle - 15-16 Inch R0471 Though it is widely knownIolite most commonly occurs in shades of blue to gray, violet or indigo. It displays a visual property called pleochroism, which means that it can appear to be different colors as it shifts in the light. According to Norse legend, Viking explorers used thin pieces of Iolite as the worlds first polarizing lens to help them determine the exact location of the sun for navigation.