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Any Overworld biome
Amethyst geodes generate commonly between Y=0 and Y=70 regardless of whether "generate structures" is toggled on or off. Each chunk has a 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.
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, and as such are often obstructed by them, except in cases where the crack intersects a cavern.
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|October 3, 2020||Amethyst geodes are shown at Minecraft Live 2020.|
|October 6, 2020||Cory Scheviak tweeted a screenshot where an updated amethyst geode was shown with budding amethyst and amethyst buds.|
|1.17||20w45a||Added amethyst geodes.|
|20w46a||Changed textures of calcite, block of amethyst, and budding amethyst.|
|20w48a||Changed textures of block of amethyst and budding amethyst, once again.|
|21w08a||The tuff layer of amethyst geodes has been replaced with smooth basalt.|
|Amethyst geodes can no longer generate fully in midair.|
|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 30 chunks to 1 geode in 53 chunks.|
|1.17.0||beta 184.108.40.206||Added amethyst geodes under the Caves and Cliffs experimental gameplay toggle.|
|beta 220.127.116.11||Amethyst geodes are no longer available only through Experimental Gameplay.|
|beta 18.104.22.168||Amethyst geodes have now been made slightly rarer, from 1 geode in 48 chunks to 1 geode in 53 chunks.|
An amethyst geode generating in an iceberg.
The new amethyst geode menu screen in Java Edition 21w15a.
- – "Geodes do not connect to caves properly" – resolved as "Works As Intended"
- – "Geodes can generate floating in caves" – resolved as "Fixed"
- – "Geodes have not been made "significantly rarer"" – resolved as "Fixed"
- – "Amethyst geodes can generate above ground" – resolved as "Works As Intended"
- – "Amethyst geodes don't generate properly when intersecting a mineshaft" – resolved as "Works As Intended"