Fluorite Banded 8mm Round 8-Inch Size_8-20mm This effect is known as

This effect is known as “labradorescence

all-knowing eye

and it has been used throughout history for various purposes

was inspired by the stone and chose it for the interior decorations of Marlborough House in England

and because its hardness has made the stone perfect for beads and cabochons

Fluorite Banded 8mm Round 8-Inch Size_8-20mm This effect is known asFluorite is a luminous, soft and glassy stone, sometimes referred to as the most colorful mineral in the world. It is one of the most sought after minerals among gem and mineral collectors, second only to Quartz. The term fluorescent was inspired by Fluorite, one of the first fluorescent minerals ever studied. It is frequently fluorescent under ultraviolet light, and this phenomenon is thought to be due to impurities of yttrium or organic matter