Iolite 8mm Double Heart Faceted - 15-16 Inch Size_7x10-9x14mm These needle to like black

These needle to like black inclusions of Tourmaline are quite striking within the clear

Blue Tourmaline ranges in color from green to blue to yellow to green with black

as well as a prismatic quality that differentiates it from other varieties of Moonstone

while retaining the structure of the wood

Iolite 8mm Double Heart Faceted - 15-16 Inch Size_7x10-9x14mm These needle to like blackIolite 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.