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An amethyst geode is an underground structure found in Overworld biomes. Amethyst geodes contain smooth basalt and are the only source of calcite and amethyst items and blocks.
Generation
Amethyst geodes generate commonly between Y=70 and the bedrock layer regardless of whether "generate structures" is toggled on or off.[1] Each chunk has 1⁄53 chance to generate a geode. They override only caverns and mineshafts. Sometimes they are exposed on the surface, such as on beaches and underwater in oceans.
Structure
The inside of a cracked amethyst geode.
Amethyst geodes consist of three layers: an outer layer of smooth basalt, a middle layer of calcite and a hollow layer of amethyst blocks with budding amethyst blocks sometimes generating throughout. Amethyst crystals generate within the structure on budding amethyst. Geodes have a 95% chance of generating with a crack, exposing its inside. Caves, aquifers and canyons cannot cut into geodes,[2] and as such are often obstructed by them, except in cases where the crack intersects a cavern.
Data values
ID
| Name | Identifier |
|---|---|
| [No displayed name] | geode |
History
| October 3, 2020 | |||||
|---|---|---|---|---|---|
| October 6, 2020 | |||||
| Upcoming Java Edition | |||||
| 1.17 | 20w45a | ||||
| 20w46a | |||||
| 20w48a | |||||
| 21w08a | |||||
| Amethyst geodes can no longer generate fully in midair.[3] | |||||
| 21w19a | Amethyst geodes have been stated to be significantly rarer. However, they are still as common as before. | ||||
| 21w20a | Amethyst geodes have now actually been made rarer, from 1 geode in 48 chunks to 1 geode in 53 chunks. | ||||
| Upcoming Bedrock Edition | |||||
| 1.17.0 | beta 1.17.0.50 | ||||
| beta 1.17.0.52 | Amethyst geodes are no longer available only through Experimental Gameplay. | ||||
| beta 1.17.0.56 | Amethyst geodes have now been made significantly rarer, from 1 geode in 48 chunks to 1 geode in 53 chunks. | ||||
Gallery
An amethyst geode generating in an iceberg.
The new amethyst geode menu screen in Java Edition 21w15a.
Odd generation
Issues
Issues relating to "Amethyst geode" are maintained on the bug tracker. Report issues there.
References
- ↑ MC-203867 — Amethyst geodes can overwrite bedrock
- ↑ MC-205854 — "Geodes do not connect to caves properly" — resolved as "Works As Intended".
- ↑ 214782
- ↑ MC-203636 — resolved as "Works As Intended".
- ↑ MC-203758 — "Amethyst geodes don't generate properly when intersecting a mineshaft" — resolved as "Works As Intended".


![An amethyst geode generating above the ground.[4]](https://static.wikia.nocookie.net/minecraft_gamepedia/images/6/60/AmethystGeodeAboveGround.png/revision/latest/scale-to-width-down/120?cb=20210406011842)

![An amethyst geode generated in a mineshaft.[5]](https://static.wikia.nocookie.net/minecraft_gamepedia/images/c/ce/Amethyst_Geode_Mineshaft.png/revision/latest/scale-to-width-down/120?cb=20210611143406)