Universal Jewelry

Adds compatibility between Iron's Gems n Jewelry and other mods

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About this Mod

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Universal Jewelry adds compatibility between Iron's Gems 'n Jewelry and several other mods by allowing their items to be used as metals and gems.

This mod will not do anything without Iron's Gems 'n Jewelry installed. The mod is only available on CurseForge.

Current mods this mod adds compatibility for:

L_ender's Cataclysm
Iron's Spells 'n Spellbooks

Available Versions

Universal Jewelry 1.1.1release

MC 1.21.1neoforge

June 26, 2025

Universal Jewelry 1.0.0release

MC 1.21.1, 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6neoforge

June 21, 2025

How to Install Universal Jewelry on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set neoforge Loader

In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.6).

Install Mod

Open the mod browser in the dashboard and search for "Universal Jewelry". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

neoforge

Minecraft Versions

1.21.6, 1.21.5, 1.21.4 (+3 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Universal Jewelry server crashes on startup – what to do?

Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.6). You can switch loaders with one click in the panel.

Is Universal Jewelry compatible with neoforge?

Universal Jewelry officially supports neoforge for Minecraft 1.21.6, 1.21.5, 1.21.4. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Universal Jewelry – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Universal Jewelry consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.