Iolite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Stone Type_Horn with a Mohs Hardness of

with a Mohs Hardness of 8

It has been greatly sought after throughout history and was at times valued as highly as Diamond

milky white to pale yellow in color

from which its name was derived

Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting

Iolite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Stone Type_Horn with a Mohs Hardness ofIolite 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.