| Answer | Crossword Clue |
|---|---|
| OXIDES | Corundum and cuprite |
| ORES | Cuprite and limnite |
| ORES | Ilmenite and cuprite |
| ORES | Cuprite and galena |
| ORES | Pitchblende and cuprite |
| ORES | Cuprite and limonite |
| ORES | Cuprite and cinnabar |
| ORES | Cuprite and tinstone |
| ORES | Galena and cuprite |
| ORES | Columbite and cuprite |
| ORES | Azurite and cuprite, e.g. |
| ORES | Barite and cuprite, e.g. |
