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Underground Biomes

Adds 24 different types of stone

Created by Kreezxil


Previous Description

This is a port of the UndergroundBiomesConstructs mod to 1.12.2



  • 24 kinds of stone
  • 24 variants of gravel
  • 24 kinds of sand
  • 16 types of cobblestone
  • Bricks
  • Slabs
  • Walls
  • Stairs
  • Buttons
  • BOP's overgrown stones
  • Moss Cobblestones
  • Monster Eggs
  • Ores from Minecraft and Mods are (or can be) integrated to match the surrounding stone.

You may find some help on adding ores from mods here.

Note on 1.14.x : Those builds are early alphas. Bugs are to be expected... Please report them on Github's issue tracker! If upgrading to build 32 from an older build, please delete your config/undergroundbiomes folder!



​This is a port of the UndergroundBiomesConstructs mod to 1.12.2 and later.


This mod adds great diversity to your underground,

  • add 24 new different kinds of stones of metamorphic, igneous and sedimentary styles.
  • Ores and structures like villages from vanilla and other mods are also converted to the local stone variant during world generation.
  • Those 24 variants are also declined in cobblestone, gravel, sand, sandstone, clay, monster eggs, overgrown stone, bricks, mossy bricks & cobblestone, slabs, walls, stairs and buttons.
  • The mod is inspired from the real world, adding even more diversity: igneous stones like granite are slightly harder to break, lignite can be used as a cheap coal, there's no sedimentary cobblestone, fossils can be found while mining, etc.
  • Many mods ores are already supported natively.
  • Speleothem from quark are also supported.
  • A simple yet extensive configuration allows you to add new ores from others mods through simple json configuration (see the wiki), disable specific blocks variations, etc.

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What means Verified?

  • Compatibility: The mod should be compatible with the latest version of Minecraft and be clearly labeled with its supported versions.
  • Functionality: The mod should work as advertised and not cause any game-breaking bugs or crashes.
  • Security: The mod should not contain any malicious code or attempts to steal personal information.
  • Performance: The mod should not cause a significant decrease in the game's performance, such as by causing lag or reducing frame rates.
  • Originality: The mod should be original and not a copy of someone else's work.
  • Up-to-date: The mod should be regularly updated to fix bugs, improve performance, and maintain compatibility with the latest version of Minecraft.
  • Support: The mod should have an active developer who provides support and troubleshooting assistance to users.
  • License: The mod should be released under a clear and open source license that allows others to use, modify, and redistribute the code.
  • Documentation: The mod should come with clear and detailed documentation on how to install and use it.

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How to Install


Download Forge & Java

Download Forge from the offical Site or here. If you dont have Java installed then install it now from here. After Downloading Forge you can run the file with Java.



Lounch Minecraft and select your Forge istallation as Version this will create a Folder called Mods.


Add Mods

Type Win+R and type %appdata% and open the .minecraft Folder. There will you find your Folder called Mods. Place all Mods you want to play in this Folder



You are now Ready. Re-start your Game and start Playing.

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