Green Chalcedony 10mm Round - 15-16 Inch Form It is considered a precious

It is considered a precious Opal

Read more about "DZI" beads in our blog "Heaven's Beads - DZI Beads Explained"

brown to golden-yellow hydrous potassium iron titanium silicate mineral

This Fire Opal contains both Opal and the rhyolitic host material in which it is formed

usually in white on hues of brown

Green Chalcedony 10mm Round - 15-16 Inch Form It is considered a preciousBlue 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.