|Game||Tales of Hearts|
|Height||5'4" / 162 cm|
|Weight||106 lbs / 48 kg|
|Japanese Voice Actor||Hiroshi Kamiya|
|Character Designer||Mutsumi Inomata|
Chalcedony is the commanding officer of the thirteenth unit of the Crystal Knights, a force organized by the Valentin faith. He respects those that are just and fair, and hates cowardly acts.
Chalcedony battles in the air and uses his Soma Wahrheit, which is the form of a sword and armor that gives him his ability to fly.
- Chalcedony's name derives from chalcedony, a mineral.
- Chalcedony has entomophobia, especially regarding centipedes.