Chalcedony 8x16-12x22mm Tear Drop Beads - 15-16 Inch Brown Eye Makes 3 sizes of rings:

Makes 3 sizes of rings: 7x9 mm / 0

brown to golden-yellow hydrous potassium iron titanium silicate mineral

One of its aliases is Inca Rose

iron or manganese impurities within the stone

unique iridescent patinas (caused by centuries of burial)

Chalcedony 8x16-12x22mm Tear Drop Beads - 15-16 Inch Brown Eye Makes 3 sizes of rings:Blue 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.