Agate

At a glance
- Type
- Mineral
- Group
- Oxide
- Crystal system
- Trigonal
- Hardness
- Hard (5.5 to 7.5)
- Colour
- White, Grey, Red, Blue, Brown
- Lustre
- Glassy, Resinous
- Use
- Jewellery
- Difficulty in WildGuessr
- Medium
Did you know?
- Its name is said to come from the river Achates in Sicily, where the ancient Greeks found it.
- Kozákov in northern Bohemia is a well-known Czech locality of agates found in old volcanic rock.
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 Q123314 · All stones · All entries
