Iolite with Flash 10mm Round - 15-16 Inch - CLEARANCE Gem Silica but truly unique

but truly unique

It is highly prized for its beautiful combinations of colors and for its opalescence — the pearly luster of the opaque stone

Shungite has been used as a folk medical treatment since the early 18th century

Its color is due to the presence of Manganese and Iron in the stone

According to Norse legend

Iolite with Flash 10mm Round - 15-16 Inch - CLEARANCE Gem Silica but truly uniqueIolite 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.