| Answer | Crossword Clue |
|---|---|
| HARDEST | At the top of the Mohs scale |
| TALC | Mineral at the soft end of the Mohs scale |
| DIAMOND | Top of the Mohs scale |
| TEN | Mohs scale top |
| TALC | The soft end of the Mohs scale |
| OBESE | At the high end of the scale? |
| OBESE | At the high end of the scale |
| HAVENOTS | Those at the bottom of the economic scale |
| ACID | At the lower side of the pH scale |
