Iolite 6mm Round Faceted A Grade - 15-16 Inch Size_14mm It was originally named for

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 mineral was named for French paleontologist Eugene Durmortier (1803-1873)

gray and black

Weight: grams: 60-90 grams

Iolite 6mm Round Faceted A Grade - 15-16 Inch Size_14mm It was originally named forIolite 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.