Blue Agate Unicorn Carving Natural StoneNatural Blue Agate Carving: Unicorn Size: 12X10CM Blue Agate from Brazil Agate is a cryptocrystalline variety of silica, made up of mostly chalcedony. It has a very fine grain, and often has a banded appearance. It was named by a Greek philosopher, who discovered it in what is now Sicily. Agates are thought to be grounding, stabilizing stones that are ideal for emotional, physical and mental balance. They are thought to improve concentration,