Iolite 5x8mm Rondelle Faceted - 15-16 Inch nye_8inch_best cobalt or nickel

cobalt or nickel

It can be easily confused with other minerals due to its variety of colors and formations

bubbles and crystal to rich layers that form as lava flows onto the surface of stone — and can look very different depending on how that lava erupts

An orthoproxene mineral

Iolite 5x8mm Rondelle Faceted - 15-16 Inch nye_8inch_best cobalt or nickelIolite 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.