Bloody Iolite 2.5mm Banded Table Cut Cube Bead - 15-16 Inch North American Turquoise Black Tourmaline is a black

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins

The fibrous asbestos inclusions in the stone give it the flash that inspired its name

and is traceable to virtually all ancient civilizations

is solid clear Quartz crystals that get its bluish green color from Actinolite and Chlorite

Ruby has long been considered one of the most beautiful and valuable gemstones on the planet

Bloody Iolite 2.5mm Banded Table Cut Cube Bead - 15-16 Inch North American Turquoise Black Tourmaline is a 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.