Iolite 6mm Round Faceted A Grade - 15-16 Inch DSforGB1032023 where copper contributes to blue

where copper contributes to blue tones and iron introduces green variations

All gemstones are fascinating and special

Agate has been prized for its beauty throughout history

most natural topaz is colorless

Topaz occurs in a wide range of natural colors

Iolite 6mm Round Faceted A Grade - 15-16 Inch DSforGB1032023 where copper contributes to blueIolite 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.