| Singular | Plural | |
|---|---|---|
| Nominativ | chalcosmaragdus | chalcosmaragdi |
| Genitiv | chalcosmaragdi | chalcosmaragdorum, chalcosmaragdum |
| Dativ | chalcosmaragdo | chalcosmaragdis |
| Akkusativ | chalcosmaragdom, chalcosmaragdum | chalcosmaragdos |
| Ablativ | chalcosmaragdo | chalcosmaragdis |
| Vokativ | chalcosmaragde | chalcosmaragdi |