Bloody Iolite 10mm Round A Grade - 15-16 Inch Zoisite caused by impurities

caused by impurities

which form fragmented patterns throughout the stone

there may not be a more beautiful blue-and-brown combination than that of Terra Agate

Most commonly mined in Madagascar

Bloody Iolite 10mm Round A Grade - 15-16 Inch Zoisite caused by impuritiesIolite 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.