Marl
At a glance
- Type
- Rock
- Group
- Sedimentary rock
- Crystal system
- None (a rock)
- Hardness
- Soft (Mohs under 3)
- Density
- Medium (2.5 to 3.2)
- Occurs in
- Sedimentary rocks
- Foliation
- Bedded (sediment layers)
- Colour
- White, Grey, Yellow, Brown
- Lustre
- Dull
- Use
- Industry
- Difficulty in WildGuessr
- Hard
Did you know?
- For centuries farmers spread marl on fields to sweeten acid soil.
- Marl is a classic raw material of cement, since it already mixes clay and lime in one rock.
Could you guess it from clues?
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Similar stones
Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q184053 · All stones · All entries