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Must-See: How to Stop Copper Oxidation and Use the New 1.21 Golem
Minecraft builders, the highly anticipated Copper Update for 1.21.9 is here! The Survival Blocks Team has been on the ground floor testing every single new feature, mob, and block in a dedicated survival environment.
This isn’t just a basic guide; instead, it’s a deep-dive based on first-hand experiments by our team. We’re covering the new Copper Golem, the expanded Oxidation mechanics, and exactly what all this means for your Survival Mode builds and Redstone contraptions.

1. Our Experiments: The New Copper Golem Mob
The Copper Golem is more than just a cute mob; instead, it introduces a new element of randomness to Redstone circuits. Our Survival Blocks Team ran controlled tests to assess its utility and oxidation rate.

Golem Behavior & Utility
We confirmed the Golem’s main function: randomly pressing Copper Buttons. Therefore, this creates new opportunities for “tricky” Redstone builds, perfectly aligning with the spirit of the 1.21 Tricky Trials Update theme.
Finding #1: The Golem’s movement is predictable enough that it can be contained in a 5×5 area and directed with basic block pathways, making basic automation possible.
Finding #2: We verified that once the Golem fully oxidizes (turns green), it is permanently frozen as a statue. However, you can use an Axe to de-oxidize it. Survival Blocks Pro Tip: If you want a mobile Golem, keep it indoors or use an Axe immediately.

2. Builder’s Guide: Mastering Copper Oxidation & Waxing
The four-stage Copper Oxidation process is the single greatest aesthetic addition to the update. Our team tested the durability and color stages to provide you with an authoritative palette for your next major build.
Stage | Color & Aesthetic | Recommended Uses (Survival Blocks Tested) |
Copper | Bright, new reddish-brown. | Industrial builds, Modern Architecture. |
Exposed | Patches of seafoam green begin to appear. | Transition layers, showing early wear on Roofs. |
Weathered | Mostly green, a striking teal. | Rustic Bridges, Medieval Town trim. |
Oxidized | Fully deep green Patina. | Ancient Temple Domes, Sunken Ships. |
Controlling the Patina
The ability to use a Honeycomb to Wax any copper stage is crucial. Our team highly recommends Waxing immediately once the block reaches your desired aesthetic. This permanently halts the aging process. To reverse it, simply use an Axe to remove the wax or scrape back the oxidation one stage at a time.
Video: https://www.youtube.com/shorts/coj4tFQA508
3. Comprehensive New Block Inventory
The update has expanded the Copper line to ensure its parity with foundational resources like stone and wood. For quick access, here are the essential new blocks we tested:
- New Decorative Blocks: Cut Copper, Chiseled Copper, and the exciting Copper Grate (a patterned block that allows light and water through).
- New Utility & Function: The Copper Chest (decorative storage), Copper Trapdoors, and the essential Lightning Rod (don’t forget this to protect your massive wooden survival bases!).
- Ore: Keep an eye out for both the standard Copper Ore and the deeper Deepslate Copper Ore varieties.
Ready to build the future?
The Survival Blocks Team confirms the Copper Update delivers on both aesthetic appeal and Redstone utility. We are currently working on a full guide for optimizing Copper Golem Redstone logic—stay tuned!
What’s the first thing your team built with the new Copper Blocks? Let us know in the comments!
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