Iolite 8mm Round - Large Hole Beads 20210930-1007 Star Cut & Double Hearted The light color indicates that

The light color indicates that it was harvested from a young tree

prized throughout history for its beautiful colors and patterns

meaning it becomes magnetically charged from heat or friction

check out The Identification of Zachery Treated Turquoise

The inclusions can be so dense as to make the clear Quartz nearly opaque

Iolite 8mm Round - Large Hole Beads 20210930-1007 Star Cut & Double Hearted The light color indicates thatIolite 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.