| Clue | Source | Date |
|---|---|---|
| Component of limestone | The Telegraph Cross Atlantic | 13 Oct 2024 |
| Mineral diabetic lacks -- a little to be sent over | The Telegraph Toughie | 02 Jun 2021 |
| Two names (the first abbreviated) for mineral | ||
| #3 on a scale | ||
| Chalk or marble | ||
| Stalagmite makeup | ||
| Common mineral |