Iolite 7x9-8x10mm Pebble A Grade - 15-16-Inch tucson2026-PEBCHP1 also known as Nacre

also known as Nacre

On cut or polished stones

s attention in the 1890s when a local geologist saw it glimmering in the moonlight and recommended that it be submitted as a representative stone from Norway to the World

It is also one of the hardest

Blue Apatite ranges in color from light teal-blue to bright blue to dark blue-green

Iolite 7x9-8x10mm Pebble A Grade - 15-16-Inch tucson2026-PEBCHP1 also known as NacreIolite 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.