| Answer | Crossword Clue |
|---|---|
| APRIL | Diamond is its birthstone |
| APR | Its birthstone is the diamond: Abbr. |
| APR | Its birthstone is the diamond (abbr.) |
| JULY | Its birthstone is the ruby |
| AUG | Its birthstone is peridot: Abbr. |
| SEPT | Its birthstone is chrysolite or sapphire: Abbr. |
| APRIL | Its symbol is a diamond. |
| MOHSSCALE | Diamond is at one of its extremes |
