Iolite 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch 4mm Matrix It contains inclusions such as

It contains inclusions such as copper and iron

from which its name was derived

orthorhombic crystals or in massive form

only limited quantities are available as we wanted to insure consistent sparkle across each bead on each collar

Blood Quartz is a clear to milky to white silicon dioxide mineral

Iolite 6x8mm Triangle Cut Faceted Rice Bead - 15-16 Inch 4mm Matrix It contains inclusions such asIolite 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.