| Clue | Answer |
|---|---|
| Crystalline Form Of Aluminium Oxide Next Clue: Caliphate Founded In The Arabian Peninsula In 632 | Corundum Back to Group 38 |
| Clue | Answer |
|---|---|
| Crystalline Form Of Aluminium Oxide Next Clue: Caliphate Founded In The Arabian Peninsula In 632 | Corundum Back to Group 38 |