Chalcedony Jewelry... Chalcedony is named for the ancient seaport of Chalcedon. In the third or fourth century AD, Greek seafarers wore chalcedony to avoid drowning. it was once believed that someone seeing the nocturnal phantoms took in disease through their eyes, but the "alkaline" content of chalcedony could remove it. The Bghai tribe in Burma believed that both good and bad spirits lived in their chalcedony fetishes.
| 
