Can You Melt Obsidian and Cast a Sword?
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Published 2018-08-04
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Today, getting what you need is as easy as a trip to the store. From food to clothing, energy, medicine, and so much more, Andy George will discover what it takes to make everything from scratch. His mission is to understand the complex processes of manufacturing that is often taken for granted and do it all himself. Each week he’s traveling the world to bypass the modern supply chain in order to harvest raw materials straight from the source. Along the way, he’s answering the questions you never thought to ask.
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All Comments (21)
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*melts obsidian* Minecraft players: impossible
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False instructions. I tried to make it at home and now i'm in nether
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Obsidian appears to be an excellent choice of material if you want to break crucibles and kilns.
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The metallurgy classes ive taken are all telling me that this is a bad, gross idea. And it is. Obsidian is terribly brittle and you mix it with metals that have a completely different grain structure. A better way to do this would be to grind it into a fine powder and compress it (sintering), like tungsten rods. This would eliminate the need for flux and force the obsidian back into its "normal" grain structure
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Instructions unclear There is a nether portal in my garage
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The next video Enchanting my obsidian sword
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You know, there's probably a reason why an entire civilization of renowned goldsmiths and architects never bothered melting obsidian, even thogh they were very fond of shaping it into swords...
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Your mold needs to be pre-heated. The glass (obsidian) is experiencing thermal shock from the relatively cold sand in the mold, causing it to cool too quickly and break. The slowly cooling thernal mass of the mold will prevent a rapid temperature change and should prevent thermal delta as a cause for cracking.
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Scientists: obsidian is pretty fragile Minecraft players: R U SURE BOUT DAT
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See this is why we can’t have obsidian swords
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the fact you went through with all this, just because some random commenters told you to, got you in my book of mad respect
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I am genuinely curious how much money this ended up costing in broken kilns and other costs
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He could've just installed a mod, took a stick and 2 blocks of obsidian Why is he over complicating things
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Thanks Poppy Harlow
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I have a suggestion as steps : 1. get a large focusing lense to focus sunlight to melt a rock . 2. get obsidian in rock form. 3. use the obsidian and the lense to melt the obsidian.
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It's been 3 years but it's back in my recommended
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As a glass making professional of 32 years, I can safely say you are using far too much flux ( soda ash, I assume). The bubbling you observe is outgassing from the flux continuing to mix disproportionately with the silica and other impurities. Your issue with continued breakage has just as much to do with the chemistry as it does the inconsistent thickness and rapid, uneven cooling of the glass.
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breaks obsidian with one hit everyone: impossible
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You did not make obsidian, you made low grade glass. Obsidian is formed when volcanic silicate at extreme temperature comes into contact with water, cooling it nearly instantly. The strength of obsidian comes from it's crystalline structure, not from the element that it's made of. Therefore, without a furnace that gets hot enough and a n instant quench, only glass can be formed.
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"I suck at this." I'm glad you included that frustration. Not because it's funny, but because that's necessary in science. You doubt. You fail. But you learn. I appreciate all of your process. Including the cat.
