ModsJava
Geodesy Mod (26.2, 1.20.1) – Amethyst Geode Farm Build Assist
Java mod listed for Minecraft 1.20. Downloads from the MC Java Mods app on Android.
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Popular technical Minecraft player Ilmango has designed a very efficient automatic amethyst farm. Since amethyst bud blocks are immovable, these farms have to be built at the location of the geode itself. And the varying random arrangement of bud blocks requires you to place slime and honey blocks in an optimal layout for more accuracy. Geodesy Mod helps identify that optimal block layout.
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Features:
- Helps identify the optimal layout to design an amethyst geode farm.
- Made for Ilmango’s amethyst farm design.
- Use /geodesy command to acquire The Unholy Book of Geodesy, as well as the set of blocks you will need to build the farm.
Screenshots:













Geodesy Mod Download Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.20.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Downloads as 33533.mcaddon
- Download size: 97 KB
- Download link checked 24 Sept 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.