Iolite with Flash 6mm Round - 15-16 Inch R0712 Blood Quartz is a clear

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

Russia and Brazil

It is mined under extremely harsh conditions and the high-grade specimens are more rare than diamonds

Pietersite is composed of Tiger Eye

Iolite with Flash 6mm Round - 15-16 Inch R0712 Blood Quartz is a clearIolite 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.