Iolite 4mm Round A Grade - 15-16 Inch 8x10-10x12mm is a calcium aluminium hydroxy

is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals

Hematite is an iron oxide and one of the few gemstones with a metallic luster

It’s been cut by skilled artisans to Dakota Stones specifications

one of the first fluorescent minerals ever studied

including Aquamarine and Morganite

Iolite 4mm Round A Grade - 15-16 Inch 8x10-10x12mm is a calcium aluminium hydroxyIolite 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.