Iolite 6mm Round Faceted - Large Hole Beads Stone Type_Shungite Moss Agate is a variety

Moss Agate is a variety of Chalcedony

Since gemstones (natural

Heliodor is a yellow

although the colors are much more muted

pink and golden mottling and spots within the primarily black stone

Iolite 6mm Round Faceted - Large Hole Beads Stone Type_Shungite Moss Agate is a varietyIolite 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.