Fossil Coral 12mm Coin 8-Inch Blue Chalcedony Tourmaline is classified as a

Tourmaline is classified as a semiprecious stone and occurs in a vast array of colors

The stone's composition remains somewhat ambiguous

Ocean Jasper is believed to be linked to the lost city of Atlantis and to hold mystic knowledge

It occurs with wave-like bands of charcoal gray

Trace amounts of iron can also affect the hue

Fossil Coral 12mm Coin 8-Inch Blue Chalcedony Tourmaline is classified as aFossil Coral is the prehistoric fossilized remains of the invertebrate reef builders that live in tropical oceans. Silica rich waters create hardened deposits that preserve coral skeletons, resulting in fossils that are chalk white, tan, gray, and brown as well as pink, red and yellow orange.