“Like quartzite vis-à-vis quartz” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.HARDER is the answer to the New York Times crossword clue “Like quartzite vis-à-vis quartz”. It was last seen in the puzzle of January 23, 2026, where it runs at 28 Across and fills 6 squares. It crosses 6 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.