Iolite 7x8mm Faceted Round Nugget - 15-16 Inch New Septemeber 2022 These inclusions are chromite

These inclusions are chromite

The charm measures 6mm not including the loop

and chatoyancy

transparent stone

Red Botswana Agate displays highly defined parallel banding

Iolite 7x8mm Faceted Round Nugget - 15-16 Inch New Septemeber 2022 These inclusions are chromiteIolite 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.