Iolite 7mm Cube Table Cut Bead - 15-16 Inch - CLEARANCE Shape_Faceted Table Cut Cube It is the most abundant

It is the most abundant lithium-bearing mineral as well as a significant source of the rare alkali metals rubidium and caesium

especially in Asian cultures

It is composed of silicon dioxide

light gray or black

It is known for its abstract designs in rusty red

Iolite 7mm Cube Table Cut Bead - 15-16 Inch - CLEARANCE Shape_Faceted Table Cut Cube It is the most abundantIolite 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.