| Answer | Crossword Clue |
|---|---|
| HARDEST | Mohs scale meaning of 10 |
| GARNET | It's 10 on the modified Mohs scale of hardness |
| THATSREALLYHARD | "Bonus question in Science: What does a rating of 10 on the Mohs scale represent?"...BZZZT... "Noramus for 5 points!" |
| HARDEST | 10, on the Mohs scale |
| HARD | 10 on the Mohs scale |
| HARDEST | Rating a 10 on the Mohs scale |
