Blue Chalcedony (Marbled) 6mm Round 15-16 Inch Blue & Yellow Tiger Eye Sardonyx has a Sard base

Sardonyx has a Sard base

Sometimes called the "Black Prince's Ruby" for its role in the English crown

decision making and creative thinking

Additionally

This stone is considered to have many different metaphysical properties

Blue Chalcedony (Marbled) 6mm Round 15-16 Inch Blue & Yellow Tiger Eye Sardonyx has a Sard baseBlue 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.