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Clues
Silicon dioxide
Silicon dioxide
Clue:
Silicon dioxide
We have
1
possible answer for the clue
Silicon dioxide
which appears
2
times in our database.
Possible Answers:
QUARTZ
Last seen in:
The Guardian - Quick crossword No 12,457 - Apr 14 2010
Eugene Sheffer - King Feature Syndicate - May 15 2006
Related Clues:
Crystalline mineral
Crystal
Hard rock
Mineral
Amethyst, e.g.
7 on the Mohs scale
Silica
Hard mineral
Amethyst or jasper
Tiger's-eye, essentially
Silica mineral
Earth's most abundant mineral
Onyx or amethyst
Watch crystal, maybe
What a crystal ball gazer sees
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