Chalcedony 15x20-28mm Free Form Oval Beads - 15-16 Inch 15X20-20X30mm Calcite is a rock-forming mineral

Calcite is a rock-forming mineral that is extremely common and found throughout the world in sedimentary

sometimes containing rainbow inclusions

and translucent black (Apache Tears)

Yellow Jade is not actually Jade

but it may also be orange

Chalcedony 15x20-28mm Free Form Oval Beads - 15-16 Inch 15X20-20X30mm Calcite is a rock-forming mineralBlue 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.