city in Bithynia, opposite Constantinople, site of an important Church council (451), from Phoenician, literally "new town."
Entries linking to chalcedon
chalcedony n.
semi-precious stone, a cloudy white variety of quartz, c. 1300, from Latin calcedonius, a Vulgate rendering of Greek khalkēdōn in Revelation xxi.19; found nowhere else. "The word is of very complicated history" [OED]. Connection with Chalcedon in Asia Minor "is very doubtful" [OED].