Fluorite Banded 8mm Round 8-Inch Mixed Stone Blue Chalcedony is a naturally

Blue Chalcedony is a naturally occurring soft blue translucent stone

cream colors and whites

and forms within a host rock such as ironstone or sandstone

a microscopic protozoa with a silica shell

Fluorite Banded 8mm Round 8-Inch Mixed Stone Blue Chalcedony is a naturallyFluorite 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