Chalcedony (Marbled) 16mm Puff Coin - 15-16 Inch Fancy Bird’s Eye Rhyolite is named

Bird’s Eye Rhyolite is named for its circular color formations of deep reds

It is also one of the hardest

any color of the rainbow

Moonstone is a Feldspar mineral that was used in Roman jewelry nearly 2

Chalcedony (Marbled) 16mm Puff Coin - 15-16 Inch Fancy Bird’s Eye Rhyolite is namedBlue Chalcedony is a naturally occurring soft blue translucent stone. It is a member of the Quartz family, a form of silica with a cryptocrystalline structure that incorporates Moganite along with the Quartz. Known in antiquity as the Speakers Stone, it is believed to have been worn Cicero, the great Roman orator. These strands were cut into beads with some of the material the Chalcedony was mined out of remaining, creating a unique "marbled" look.