| Answer | Crossword Clue |
|---|---|
| OPAL | October's gem. |
| OPAL | October's gem |
| OPAL | October's jewel |
| OPAL | October's gemstone |
| OPAL | October's stone |
| OPAL | October's birthstone |
| OPAL | October's birthstone. |
| OPAL | October's stone. |
| UBOAT | Red October's ancestor |
| OPALINE | Resembling October's birthstone. |
| OPALINE | Resembling October's birthstone |
| TOURMALINE | One of October's birthstones |
| BERYL | One of October's birthstones. |
| BERYL | One of October's birthstones |
| EEN | Last letters appropriate for October's last day |
