Iolite 6mm Double Heart Faceted - 15-16 Inch clover These form as a criss

These form as a criss cross banding called lamellae

the Inca Goddess of Fruitfulness and Mother Earth

Biotite was named in honor of the French physicist Jean-Baptiste Biot

and the green color is caused by a reaction in the stone when the chrome is introduced to water

Rutile is the mineral name for natural crystals of titanium dioxide

Iolite 6mm Double Heart Faceted - 15-16 Inch clover These form as a crissIolite 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.