Iolite Faceted 10mm Energy Prism - 15-16 Inch Stone Type_Zebra Jasper It's also known as Angelita

It's also known as Angelita and Angelite Quartz

according to the Mohs hardness scale

All wood beads on DakotaStones

Rainbow Moonstone is named for its moon-like glow or chatoyancy

Petersburg

Iolite Faceted 10mm Energy Prism - 15-16 Inch Stone Type_Zebra Jasper It's also known as AngelitaIolite 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.