Iolite 4mm Microfaceted Round A Grade - 15-16 Inch April which may form green stains

which may form green stains or specks on Azurite crystals or aggregates

brown and tan with some beads or inclusions of rust and rose

It is believed that the melding of these two stones creates a powerful healing energy

Its soft chatoyancy is reminscent of the moon's light

Iolite 4mm Microfaceted Round A Grade - 15-16 Inch April which may form green stainsIolite 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.