Hard mineral composed of silicon dioxide Crossword Clue

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Here is the answer for the crossword clue Hard mineral composed of silicon dioxide last seen in Guardian Quick puzzle. We have found 40 possible answers for this clue in our database. Among them, one solution stands out with a 98% match which has a length of 6 letters. We think the likely answer to this clue is QUARTZ.

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Crossword Answer For Hard mineral composed of silicon dioxide:

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40 Potential Answers:

RankAnswerLengthSourceDate
98% QUARTZ Hard mineral composed of silicon dioxide (6) The Guardian Quick Mar 30, 2023
3% TALC Mineral with a Mohs hardness of 1 (4) New York Times Aug 23, 2025
3% MOHSSCALE Mineral hardness index (4,5) (9)
3% MOHS Mineral hardness scale (4) Newsday Jun 8, 2025
3% OPAL Form of silicon dioxide (4)
2% LODE Mineral vein (4) The Telegraph Cross Atlantic Sep 6, 2025
2% ORE Miner's find (3) USA Today Sep 3, 2025
2% SPA Resort with a mineral spring (3)
2% NOUN Animal, vegetable or mineral (4) USA Today Aug 30, 2025
2% AGATES Banded minerals (6) (6) Mirror Quick Aug 30, 2025

Last appeared together with the following clues in Guardian Quick puzzle

Hard mineral composed of silicon dioxide Crossword Clue
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We found 40 solutions for Hard mineral composed of silicon dioxide. The top solutions are determined by popularity, ratings and frequency of searches. The most likely answer for the clue is QUARTZ.

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