Coal2Diamonds
Java mod listed for Minecraft 1.18–1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on ModrinthOverview
This plugin introduces a unique mechanic to Minecraft:
When a piston is activated facing downward with a magma block beneath it, coal ore is transformed into diamond ore.
Features
Automation:
Enables players to automate the conversion of coal ore to diamond ore using pistons and magma blocks.
Creativity:
Expands creative building possibilities by allowing new resource transformation setups.
Simple Integration:
Works with standard Minecraft mechanics; no complex setup required.
Commands:
To enable plugin - /coal2diamonds enable
To disable plugin - /coal2diamonds disable
How it works
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.18, 1.18.1, 1.18.2
- 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: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as Coal2Diamonds-1.0.0.jar — drop this file into the mods folder
- Download size: 7 KB
- Download link checked 1 Oct 2026 — working
These come from our own check of the pack file, not from the source page.