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Glassy Black Igneous Rock Crossword Clue

There is 1 exact and 125 possible answers.
We've checked our database and believe the answer is OBSIDIAN which was last seen in the The Guardian Speedy crossword.
Check other possible answers below.
We think the answer to this crossword clue is: OBSIDIAN

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99%8Exact Match!
noun

• acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces

40%9Igneous rock with a shiny, glassy appearance
noun

• a basic or basalt glass

40%8Igneous rock with a glassy texture
No meanings yet for this word...

About This Clues Answer

We think the answer is "" which means:

    noun
  • • Acid or granitic glass formed by the rapid cooling of lava without crystallization; usually dark, but transparent in thin pieces
  • adjective
  • • Black

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Clue Last Found In...

Source #Number Answer
The Guardian Speedy11 Feb 2007 Across 17
This clue was last seen in the publications above.

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