| Singular | Plural | |
|---|---|---|
| Nominativ | chalcedonius | chalcedonii |
| Genitiv | chalcedonii | chalcedoniorum, chalcedonium |
| Dativ | chalcedonio | chalcedoniis |
| Akkusativ | chalcedoniom, chalcedonium | chalcedonios |
| Ablativ | chalcedonio | chalcedoniis |
| Vokativ | chalcedonie | chalcedonii |
12 (14) Formen für „chalcedonius“