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Mineral hardness scale

Looking for the answer to the USA Today Crossword clue “Mineral hardness scale”? The solution is MOHS, a 4-letter word. This clue was most recently seen in the July 14, 2026 (Tuesday) USA Today Crossword. Tap any date below to open that day's complete puzzle, or search another clue from the bar above.

Answer
MOHS

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