Blue chalcedony is a rare form of the gemstone chalcedony, and has been prized since ancient times.
This is a non-firable stone.
Stones are individually made and sourced. Some stones may not be calibrated using the same measuring device. There are also subtle color variations, because these are natural stones. We will do our best to meet the stone sizes and colors described. If ordering in pairs, we will match the stones as closely as possible.
