
Modrinth · Minecraft mod
Periodity
A fabric mod that adds somewhat scientifically accurate elements and alloys to Minecraft
Quick answer
Which Periodity release should I use?
Periodity 1.1.2-Oxygen targets 1.21.11 with Fabric. Installation on the client is optional. Installation on the dedicated server is optional. All 1 required mods have matching files.
Where it goes
Is Periodity required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Periodity 1.1.2-Oxygen need?
1.1.2-Oxygen. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup.
We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Periodity without breaking your instance.
Built for Periodity 1.1.2-Oxygen. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.1.2-Oxygen. It targets 1.21.11 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.1.2-Oxygen. It opens that exact file at the source.
About this project
What does Periodity add?

What is Periodity?
Periodity is a Fabric mod that adds scientifically accurate elements, materials and alloys that have their own benefits and downsides.
Added Content
These features are currently available in Periodity:
- Molten variants of materials like Iron, Copper and Gold
- Naturally generated ores like Tin
- Alloys made of different metals and compounds
- Metallurgical variants of coal and carbon for making alloys
- Decoration blocks like Marble
Dependencies
Periodity requires Fabric API
IMPORTANT
Quick side note: this mod is heavily Work In Progress, so a lot of things may change over the course of development
Project description from Modrinth.
Pick your setup
Periodity by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.11
1 loader build1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Periodity versions and loaders
1.1.2-Oxygen
periodity-1.1.2-Oxygen.jar
12 Aug 2026
1.1.1-Nitrogen
periodity-1.1.1-Nitrogen.jar
8 Aug 2026
1.1.0-Carbon
periodity-1.1.0-Carbon.jar
27 Jul 2026
1.0.4-Boron
periodity-1.0.4-Boron.jar
18 Jun 2026
1.0.3-Beryllium
periodity-1.0.3-Beryllium.jar
1 Jan 2026
1.0.2-Lithium
periodity-1.0.2-Lithium.jar
1 Jan 2026
1.0.1-Helium
periodity-1.0.1-Helium.jar
1 Jan 2026
1.0.0-Hydrogen
periodity-1.0.0-Hydrogen.jar
1 Jan 2026
ALPHA-0.1-1.20.1
periodity-ALPHA-0.1-1.20.1.jar
27 Nov 2024
Looking for an older file? The official Modrinth project page is in Resources.