Glassential Mod for Minecraft 1.20.1, 1.12.2
Various types of glass to aid in your building.
About the Glassential mod
For the fabric version, go here.
Several mods, such as Extra Utilities, add a bunch of cool glasses to your game. Like glass that you can see through but blocks light or glass that emits light.

Have you ever wanted to get that cool stuff, but without all the overhead of putting a major content mod in your modpack? Well look no further than Glassential.
It adds the following glasses, for a total of 32 with the combinations:
- Luminous Glass: emits light, just like Glowstone.
- Redstone Glass: emits a strong redstone signal, just like a Block of Redstone.
- Magmatic Glass: hurts when you walk on it or are inside it, like Magma Blocks.
- Ghostly Glass: non-solid to all entities of any kind. Also comes in Tinted, Luminous, and Magmatic variants.
- Ethereal Glass: non-solid to players. Also comes in Tinted, Luminous, and Magmatic variants.
- Reverse Ethereal Glass: only solid to players (and fluids). Also comes in Tinted, Luminous, and Magmatic variants.
- Blastproof Glass: resists explosions, like Obsidian. Comes in Tinted variant and for every single other type of glass added by the mod (including combinations like Luminous Ethereal).
Glasses are also all fully compatible with ConnectedTexturesMod (which I highly recommend).
1.19.2 info (and 1.20.1 before version 2.0.0):
- Luminous Glass: emits light, just like Glowstone.
- Redstone Glass: emits a strong redstone signal, just like a Block of Redstone.
- Ghostly Glass: non-solid to all entities of any kind.
- Ethereal Glass: non-solid to players.
- Reverse Ethereal Glass: only solid to players (and fluids).
- Tinted Ethereal Glass: the properties of both vanilla Tinted Glass and Ethereal Glass.
- Tinted Reverse Ethereal Glass: the properties of both vanilla Tinted Glass and Reverse Ethereal Glass.
1.16.5 info:
- Luminous Glass: emits light, just like Glowstone.
- Redstone Glass: emits a strong redstone signal, just like a Block of Redstone.
- Dark Glass: doesn't let actual light go through, ideal for mob farms.
- Ghostly Glass: non-solid to all entities of any kind.
- Ethereal Glass: non-solid to players.
- Reverse Ethereal Glass: only solid to players (and fluids).
- Dark Ethereal Glass: the properties of both Dark Glass and Ethereal Glass.
- Dark Reverse Ethereal Glass: the properties of both Dark Glass and Reverse Ethereal Glass.
1.14.4 info:
Currently adds the following glasses, with more planned:
- Luminous Glass: emits light, just like Glowstone.
- Redstone Glass: emits a strong redstone signal, just like a Block of Redstone.
- Dark Glass: doesn't let actual light go through, ideal for mob farms.
- Ghostly Glass: non-solid to all entities of any kind.
- Ethereal Glass: non-solid to all sneaking players/entities.
- Reverse Ethereal Glass: only solid to sneaking players/entities (and fluids).
- Dark Ethereal Glass: the properties of both Dark Glass and Ethereal Glass.
- Dark Reverse Ethereal Glass: the properties of both Dark Glass and Reverse Ethereal Glass.
1.12.2 info:
Currently adds the following glasses, with more planned:
- Clear Glass: just a clean textured glass.
- Luminous Glass: emits light, just like Glowstone.
- Redstone Glass: emits a strong redstone signal, just like a Block of Redstone.
- Dark Glass: doesn't let actual light go through, ideal for mob farms.
- Ghostly Glass: non-solid to all entities of any kind.
- Ethereal Glass: non-solid to players, perfect for doorways.
- Reverse Ethereal Glass: non-solid to non-player entities, perfect for floors.
Additionally it also adds the Glass Cutter, which is like Shears but for glass blocks of any kind. It can pick up placed glass as if it had silk touch.
All items and glasses can be individually disabled in the config, if you don't want all of them or you already have other mods adding some. Glasses are also all fully compatible with ConnectedTexturesMod (which I highly recommend).
Mod spotlight by Trikzon

How to install Glassential
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the mod for Minecraft 1.12.2–1.20.1 on Forge or NeoForge automatically.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Install Forge or NeoForge
The loader must match the game version of the mod file, for example Minecraft 1.20.1. After installing it, a separate profile appears in your launcher.
Download the file for your version
In the version list above, pick the file glassential-forge-1.20.1-2.0.0.jar (148 KB) for your game version and loader.
Put it in the mods folder
The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it.
Launch the loader profile
Open “Mods” in the main menu: Glassential should be in the list.
Minecraft 1.20.1 runs on Java 17: with a different Java version the game may close right after launch.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.20.1 | NeoForge, Forge | glassential-forge-1.20.1-2.0.0.jar148 KB | ||
| 1.12.2 | — | glassential-1.12.2-1.0.0.jar20.1 KB |
FAQ
Which Minecraft versions does Glassential work on?
There are files for 1.20.1, 1.12.2. The newest is 1.20.1.
Is Glassential for Forge or Fabric?
There are files for Forge: 1.20.1 and for NeoForge: 1.20.1. There are no files for Fabric: a mod for another loader will not start.
Does Glassential need other mods?
The author lists no required dependencies: the Forge or NeoForge loader is enough.
Which Java does Glassential need?
Minecraft 1.20.1 runs on Java 17. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.
Where can I download Glassential safely?
On this page: the file glassential-forge-1.20.1-2.0.0.jar (148 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: c15f3308eca074f8aa79ecf9f945994e490759e0.
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