Lignite
At a glance
- Type
- Rock
- Group
- Sedimentary rock
- Crystal system
- None (a rock)
- Hardness
- Soft (Mohs under 3)
- Density
- Light (under 2.5 g/cm³)
- Occurs in
- Sedimentary rocks
- Foliation
- Bedded (sediment layers)
- Colour
- Black, Brown
- Lustre
- Dull
- Use
- Fuel
- Difficulty in WildGuessr
- Medium
Did you know?
- Lignite is the lowest rank of coal and often still shows the wood grain of the ancient trees it came from.
- Germany and Czechia mine lignite in huge open pits that reshape whole landscapes.
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.
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Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q156267 · All stones · All entries