Iolite with Flash 6mm Round - 15-16 Inch Free Form but also for industrial purposes

but also for industrial purposes from watch gears and scientific instruments to sandpaper and other abrasives

Its needle to like inclusions of hematite are iridescent red

3-4 small ranging 15-20mm

Any noted effects and non-physical uses for the stone are in no way guaranteed or proven by Dakota Stones

Mined in Hubei China

Iolite with Flash 6mm Round - 15-16 Inch Free Form but also for industrial purposesIolite 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.