Iolite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Stone Type_Horn Its inclusions of golden tones

Its inclusions of golden tones to rust to red are due to traces of hematite embedded in the stone

with a Mohs Hardness of 8

Stones will vary by inventory

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

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

Iolite 3x4mm Rondelle Faceted A Grade - 15-16 Inch Stone Type_Horn Its inclusions of golden tonesIolite 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.