Iolite 12mm Faceted Heart - 15-16 Inch Stone Type_Golden Rutilated Quartz Peruvian Opal was considered by

Peruvian Opal was considered by the Incas to be a gift from Pachamama

a Venetian monk tipped molten copper into a vat of molten glass

This lava rolled across the landscape

Golden Obsidian is a naturally occurring volcanic glass

Iolite 12mm Faceted Heart - 15-16 Inch Stone Type_Golden Rutilated Quartz Peruvian Opal was considered byIolite 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.