The rough material for this high-end Blue Chalcedony was selected by Dakota Stones for its incredible color, clarity, and chatoyancy. It’s been cut by skilled artisans to Dakota Stones specifications. This stone has not been dyed or enhanced in any way.Metaphysically, Blue Chalcedony is reputed to help with communication, especially public speaking. It is thought to absorb negative energy and dissipate it before it can be spread to others, aiding in clearer thought and calming.