Iolite 6mm Round Faceted A Grade - 15-16 Inch Size_14mm Weight: grams: 60-90 grams

Weight: grams: 60-90 grams

It was originally named for the visible inclusions of the mineral Cacoxenite

It can be easily confused with other minerals due to its variety of colors and formations

The blue colors are photosensitive and may fade when exposed to excessive light or heat

gray and black

Iolite 6mm Round Faceted A Grade - 15-16 Inch Size_14mm Weight: grams: 60-90 gramsIolite 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.