Amethyst Geode

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This feature is exclusive to Java Edition.
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This page describes content that may be included in a future update to Java Edition.
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The inside of a cracked amethyst geode.

Amethyst geodes are common underground structures which serve as the only source of amethyst items and blocks, tuff, and calcite.


Amethyst geodes generate underground anywhere between sea level and bedrock. It is possible that they can even break bedrock upon spawning. It overrides cave and ravine generation and abandoned mineshafts as well as other structures but sometimes can be overridden by other structures, and in some cases can sometimes generate exposed on the surface, most commonly on beaches (similar to Ocean Ruins) and Underwater in oceans, but can be also found exposed in any biome if the geode is below y=70.


Amethyst geodes consist of three layers, an outer layer of Tuff, a middle layer of Calcite, and a hollow layer of blocks of amethyst with budding amethyst blocks randomly generated throughout. Amethyst crystals generate within the structure on budding amethyst. Surrounding the amethyst is a shell of calcite, which itself is surrounded by a shell of tuff. Geodes have a 95% chance of generating with a crack, exposing its inside. Caves cannot cut into geodes,[1] and as such are often obstructed by them, except in cases where the crack intersects a cave.


October 3, 2020Amethyst Geodes are shown at Minecraft Live 2020.
Upcoming Java Edition
1.1720w45aAdded amethyst geodes.


Issues relating to "Amethyst Geode" are maintained on the bug tracker. Report issues there.


  • Despite being called structure, It still generates even if "Generate Structures" feature is off.


  1. MC-205854 – "Geodes do not connect to caves properly" – resolved as "Works As Intended"