[322] Chalcedon, s. Chalkedon; Mineral, s. Chalzedon.
Adelung-1793: Chalcedon, der
Brockhaus-1809: Calcedon oder Chalcedon
Herder-1854: Chalcedon [2] · Chalcedon [1]
Lueger-1904: Chalcedon
Meyers-1905: Chalcēdon [2] · Chalcēdon [1]
Pierer-1857: Chalcĕdon · Chalcēdon