Blue Chalcedony (Marbled) 8mm Round 15-16 Inch Stone Type_Multi Tourmaline Rainbow Moonstone is named for

Rainbow Moonstone is named for its moon-like glow or chatoyancy

A natural blue form of calcium sulfate

” Aquamarine was once thought to be the treasure of mermaids

During the Renaissance

but has been used historically to describe the transparent variety

Blue Chalcedony (Marbled) 8mm Round 15-16 Inch Stone Type_Multi Tourmaline Rainbow Moonstone is named forBlue 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.