Gypsum
At a glance
- Type
- Mineral
- Group
- Sulfate
- Crystal system
- Monoclinic
- Hardness
- Soft (Mohs under 3)
- Colour
- Colourless, White
- Lustre
- Glassy, Pearly, Silky
- Use
- Building, Industry
- Difficulty in WildGuessr
- Medium
Did you know?
- In the Cave of Crystals in Naica, Mexico, gypsum crystals grew more than 10 metres long.
- Heated gypsum loses water and becomes plaster of Paris, used for casts and walls.
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 Q82658 · All stones · All entries