Iolite 10mm Faceted Round - 15-16 Inch - CLEARANCE featured_04252024 iron or manganese impurities within

iron or manganese impurities within the stone

The name comes from the French word for lemon

Selenite is a crystal formed from the mineral gypsum

Sage Agate forms in volcanish ash

Iolite 10mm Faceted Round - 15-16 Inch - CLEARANCE featured_04252024 iron or manganese impurities withinIolite 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.