How do I install Crystal Opacity?

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 Crystal Opacity work with?

The listing gives Minecraft 1.21. This is the version stated by the author or source site, not something we verified ourselves.

Home›Java›Mods›Crystal Opacity

ModsJava

Crystal Opacity

by cutebow · on Modrinth

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

Crystal Opacity

Let's you make crystals transparent or see through with a opacity slider and then a per part toggle for opacity so theres

Core opacity slider
Inner glass opacity slider
Outer glass opacity slider
Extra glass opacity slider

Requires

Silicon: Silicon
Mod Menu: Mod Menu
YACL: YACL

What it looks like

1.18.4 - 1.17.3 fabric loader

Quick facts

Edition: Minecraft Java
File type: .jar
Minecraft version listed: 1.21
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.

Verified by MCModsHub

Ships as CrystalOpacity-1.21.jar — drop this file into the mods folder
Download size: 112 KB
Download link checked 30 Aug 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