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Gemstone Comprising Mainly Aluminium Oxide Crossword Clue

There is 1 exact and 142 possible answers.
We've checked our database and believe the answer is RUBY which was last seen in the The Guardian Quick crossword.
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We think the answer to this crossword clue is: RUBY

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99%4Exact Match!
noun

• a transparent piece of ruby that has been cut and polished and is valued as a precious gem

• a transparent deep red variety of corundum; used as a gemstone and in lasers

• a deep and vivid red color

adjective satellite

• of a color at the end of the color spectrum (next to orange); resembling the color of blood or cherries or tomatoes or rubies

42%8 Rock containing aluminium oxide
noun

• a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst

42%11Aluminium(III) oxide, for example
No meanings yet for this word...

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We think you're currently doing a The Guardian Quick crossword, and other users also searched for these clues:

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Clue Last Found In...

Source #Number Answer
The Guardian Quick09 Nov 2010 Down 17
This clue was last seen in the publications above.

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