Shale
At a glance
- Type
- Rock
- Group
- Sedimentary rock
- Crystal system
- None (a rock)
- Hardness
- Soft (Mohs under 3)
- Colour
- Grey, Black
- Lustre
- Dull
- Use
- Industry
- Difficulty in WildGuessr
- Medium
Did you know?
- Shale is the most common sedimentary rock; it is mud that was pressed into thin layers.
- The Burgess Shale in Canada preserved soft-bodied animals from about 500 million years ago.
Could you guess it from clues?
WildGuessr picks a secret animal, plant, fungus, stone, prehistoric creature or space object and you ask yes-or-no questions about it, such as its group or where it grows. The fewer clues you need, the more points you score.
Similar stones
Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q751300 · All stones · All entries