7 LITTLE WORDSBlue Ox Technologies

Third-hardest mineral

7 Little Words clue & answer.

All 7 Little Words clues for December 30 2025
THE MISSING PIECE

Third-hardest mineral

The answer to “Third-hardest mineral” is tucked just below. Open it when you’re ready.

Reveal the answerHide the answer

THE ANSWER

SAPPHIRE

Fit the answer with your letter groups, then keep your puzzle going.

ABOUT THE GAME

A daily dose of discovery.

7 Little Words combines short clues with letter groups. Piece the groups together to find each word.