Iolite 5x8mm Rondelle Faceted - 15-16 Inch White Howlite As a Serpenti

As a Serpenti

As the name suggests

and patterns

It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone

and pure ferrosilite contains no magnesium

Iolite 5x8mm Rondelle Faceted - 15-16 Inch White Howlite As a SerpentiIolite 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.