Bloody Iolite 10mm Round A Grade - 15-16 Inch Zoisite Petrified Wood Agate is formed

Petrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years

caused by impurities

Most commonly mined in Madagascar

This material dates back 29 million years and has been used in early civilizations as tools similar to obsidian

Viking and Germanic legend tell that the sword of the hero Siegfried

Bloody Iolite 10mm Round A Grade - 15-16 Inch Zoisite Petrified Wood Agate is formedIolite 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.