Crossword Puzzle Clue Answers
We've seen 3 answers for the crossword clue 'Hard rock' in our database. It has been used in 4 crosswords, the latest of which was the Guardian Quick crossword on September 15, 2014.
Crossword answers for the clue "Hard rock"
- QUARTZ
- GRANITE
- FLINT
Related Clues
- 7 on the Mohs scale
- Tiger's-eye, essentially
- Crystalline mineral
- Onyx or amethyst
- What a crystal ball gazer sees
- Hard mineral
- Amethyst or jasper
- Silica mineral
- Amethyst, e.g.
- Watch crystal, maybe
- Earth's most abundant mineral
- Silicon dioxide
- Sand ingredient
- Amethyst or citrine
- Citrine or amethyst
- The crystal in some crystal balls
- Silicon dioxide mineral
- Type of watch and crystal
- Silicon dioxide used as a gemstone
- Mineral used in modern timepieces
Last Seen In
- Guardian Quick - September 15, 2014
- Netword - August 22, 2012
- Guardian Quick - June 06, 2009
- New York Times - March 02, 2001