Flint
At a glance
- Type
- Rock
- Group
- Sedimentary rock
- Crystal system
- None (a rock)
- Hardness
- Hard (5.5 to 7.5)
- Density
- Medium (2.5 to 3.2)
- Occurs in
- Sedimentary rocks
- Foliation
- Not layered
- Colour
- Grey, Black, Brown
- Lustre
- Glassy, Dull
- Use
- Industry
- Difficulty in WildGuessr
- Medium
Did you know?
- Flint breaks into razor-sharp, curved edges, which made it the main tool stone of the Stone Age.
- Struck against steel, flint throws sparks, which is why it lit the fire in flintlock guns.
Could you guess it from clues?
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Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q83087 · All stones · All entries