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Minecraft does not like to obey the laws of physics, and the law of conservation of mass is not an exception. Cobblestone generators in Minecraft will generate cobblestone indefinitely. They prove to be very helpful for collecting building materials and a necessity for surviving in SkyBlock. Here is a simple guide on making a cobblestone generator.
Steps
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1Gather your materials. You’ll need 3 iron for a bucket, a source of lava, and a source of water. Mine iron underground or look for it on the walls of a cave. Smelt the iron in a furnace and then craft a bucket. Lava sometimes appears in pools on the surface, but you’ll need to get underground below Y:9 for them to be common.
- Craft two buckets if you want to carry both the lava and water at the same time.
- Some cobblestone (or another non-flammable block) can be used to reduce the chance of the generated cobblestone falling in lava.
- If you are playing SkyBlock, you may have a block of ice instead of a water bucket. You can place the ice down and break it to get water.
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2Dig a one block deep hole and a two block deep hole next to it. Place the water in the one block deep hole so that it flows into the two block hole.
- If the water turns the lava into obsidian, you may not have dug the second hole two blocks deep.
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3Leave a gap of one block and dig another one block deep hole. Place your lava here.
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4Break the block separating the lava and water. After about a second, there will be a hissing sound and a cobblestone block will form.
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5Continue breaking the cobblestone. The generator will continue to produce infinite amounts of cobblestone.
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6Improve your generator. Cover up the lava and water so that you don’t fall into it with non-flammable blocks (cobblestone, dirt, clay, etc.). This will also help prevent cobblestone you mine from being burned by the lava. Break a block in front of the generator to stand in so that you can mine and pick up your cobblestone more easily.
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Community Q&A
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QuestionWhen I built the first one, all of the lava kept melting the cobble when I broke it. How can I stop this from happening?MelodyTongyuCommunity AnswerMy suggestion is to dig a hole beside the cobble (where you won't touch any lava or water) and jump in before you mine the cobble. Then, walk into the cobble as close as you can and stay there. When you mine the cobble, it's more likely to go into your inventory. You can also use a hopper under the generator so that when you mine it, the cobble will go into the hopper.
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QuestionCould I place cactus so that when I push the piston, the cobblestone is moved next to the cactus, then the cactus makes it break?CaptianYayaCommunity AnswerNo. This will break the cactus instead of the cobblestone.
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QuestionHow do I do it if Tile Drops (console editions only) is disabled?Frail HunterCommunity AnswerEnable them or use a different version than you're currently on.
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Tips
- It's best to keep the generator relatively close to your house so that you don't lose all of your precious cobblestone if you're attacked between the generator and your home.Thanks
Tips from our Readers
The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.
- If you want to have the generator in your home, build it in a room that's several blocks under your home. However, don't put it near your house if your house is made of wood.
- Try to keep a bucket on you. After the cobblestone’s formed, you can mine the cobble without it burning. Just make sure not to put the chest next to the lava!
- Try using fences to avoid the lava while attempting to mine the cobblestone.
- Be careful not to fall in the lava unless you have really good armor.
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Warnings
- Avoid building the generator on a surface that's above your house or other important items. Lava travels downhill, so if the generator breaks, it's safer to keep it lower than your stuff.Thanks
- Make sure your generator is away from trees and wooden buildings. The lava can set them on fire from further than you'd think and you may accidentally spark a wildfire.Thanks
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About This Article
Thanks to all authors for creating a page that has been read 590,513 times.
Reader Success Stories
- "The piston cobblestone generator really helped because with just a few red stones, I made a castle by using the pistons to push the cobblestone. Sounds complicated, but it's not." ..." more
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"The piston cobblestone generator really helped because with just a few red stones, I made a castle by using the pistons to push the cobblestone. Sounds complicated, but it's not."
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"After trying and trying to make a cobblestone generator, I stumbled upon this article. Within a couple of minutes, I was making cobblestone!"
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"Tried it a few months ago, and it worked. Recently, its been making obsidian instead."
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