How do I install Rubium?

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. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Rubium work with?

The listing gives Minecraft 1.21.4. This is the version stated by the author or source site, not something we verified ourselves.

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Rubium

Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.

by harryruto · on Modrinth

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This mod incorporates three new ores: rubium,fluorium and bluium, as well as the craft from these ores. The objects made with these minerals are stronger than diamond and give an effect

List of effects:

The Rubium helmet gives night vision Rubium boots give speed The sword of Rubium gives strength This mod also adds two hammers: the Rubium hammer and the Bluium hammer

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Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21.4
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.

File checked by MCModsHub

Ships as Liquid rubium -- New Texture -- Rubium Neoforge1.21.4.jar — drop this file into the mods folder
Download size: 271 KB
Download link checked 3 Oct 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Mods for Java All Minecraft Java mods Java mods for 1.21