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Silica mineral

Clue: Silica mineral

We have 2 possible answers for the clue Silica mineral which appears 6 times in our database.

Possible Answers:

  • OPAL

  • QUARTZ

Last seen in:

  • The Times - Concise - Sunday Times Concise No 1746
  • The Times - Concise - Times2 Concise 5236 - August 21, 2010
  • The Times - Concise - Times2 Concise 4644 - September 27, 2008
  • USA Today - Mar 20 2008
  • Thomas Joseph - King Feature Syndicate - Sep 17 2007
  • The Guardian - Quick crossword No 11,264 - Jun 13 2006

Related Clues:

  • A gem of a name?
  • Birthstone of some Libras
  • Hard mineral
  • 16-Down's birthstone
  • Amethyst or jasper
  • Birthstone before topaz
  • Stone
  • October's gemstone
  • Tiger's-eye, essentially
  • Fire __
  • Birthstone of someone born on Halloween
  • Gem usually finished en cabochon
  • Multicolored gemstone
  • Friend of Ruby and Beryl?
  • Pendant gem
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