Green Chalcedony 6mm Round - 15-16 Inch Plated 10mm Phosphosiderite is a combination of

Phosphosiderite is a combination of phosphorus and iron

During the Renaissance

transparent or translucent with a pearly luster

the tiles slide instead of shattering absorbing the energy of the blow

A form of chalcedony made of quartz

Green Chalcedony 6mm Round - 15-16 Inch Plated 10mm Phosphosiderite is a combination ofBlue 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.