Iolite with Flash 10mm Round - 15-16 Inch - CLEARANCE Lepidolite Mix This stone is a combination

This stone is a combination of two very similar materials: Azurite is a deep blue mineral produced by weathered copper ore deposits

It is transparent or translucent

and the material has not been treated with dye

a turquoise trader and an electrical engineer

Weight: grams: 85-105 grams

Iolite with Flash 10mm Round - 15-16 Inch - CLEARANCE Lepidolite Mix This stone is a combinationIolite 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.