Fire-starting rock
While searching our database we found 1 possible solution for the: Fire-starting rock crossword clue.This crossword clue was last seen on July 15 2025 New York Times The Mini Crossword puzzle. The solution we have for Fire-starting rock has a total of 5 letters.
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Definition
| • | A massive, somewhat impure variety of quartz, in color usually of a gray to brown or nearly black, breaking with a conchoidal fracture and sharp edge. It is very hard, and strikes fire with steel. |
| • | A piece of flint for striking fire; -- formerly much used, esp. in the hammers of gun locks. |
| • | Anything extremely hard, unimpressible, and unyielding, like flint. |
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