CurseForge · Minecraft mod
Processed Obsidian
adds new building blocks made from obsidian, similar to the deepslate set, including polished, brick, and tile variants.
Quick answer
Which Processed Obsidian release should I use?
Processed Obsidian processed_obsidian-2.2.0.jar targets 1.21.1 with NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is Processed Obsidian required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Processed Obsidian processed_obsidian-2.2.0.jar need?
processed_obsidian-2.2.0.jar. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Processed Obsidian without breaking your instance.
Built for Processed Obsidian processed_obsidian-2.2.0.jar. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use processed_obsidian-2.2.0.jar. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside processed_obsidian-2.2.0.jar. It opens that exact file at the source.
About this project
What does Processed Obsidian add?
Processed Obsidian adds brand new building blocks crafted from obsidian
Features Building Blocks
Processed Obsidian adds a lot of building blocks, resembling the deepslate set. That means that it adds a polished, bricks and tiles variant

Armore Set
It also adds a new and more powerful armor set
Requirements
Minecraft 1.21.1
NeoForge
Project description from CurseForge.
Pick your setup
Processed Obsidian by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Processed Obsidian versions and loaders
processed_obsidian-2.2.0.jar
17 May 2026
processed_obsidian-2.1.0.jar
1 May 2026
processed_obsidian-2.0.0.jar
1 May 2026
processed_obsidian-1.0.0.jar
27 Apr 2026
Looking for an older file? The official CurseForge project page is in Resources.