Can You Melt Obsidian and Cast a Sword?

  • Published on Aug 4, 2018
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    Support us on Patreon so I can break more kilns!
    I took some user comments way to seriously and figured out what it would take to melt obsidian and sand cast it into a sword.
    Thanks for FOCI Glass Studio for their help with this project. They are a Non-Profit Studio in Minneapolis which teaches Glass Blowing Classes from Beginner to Expert!

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Comments • 28 466

  • Kenji
    Kenji 16 hours ago

    Croat wasted time in life

  • My Memes Dank
    My Memes Dank 18 hours ago

    11:47 looking like a cross

  • My Memes Dank
    My Memes Dank 18 hours ago

    Your friend walks in your room picks up the sword and then doesn’t notice it rock hits u with it anddd........👌🏼

  • Daylin Dececco
    Daylin Dececco 18 hours ago

    can you do a obsidian Rupert drop and test it

  • Mike Giapi
    Mike Giapi 20 hours ago

    Dude you'll burn your eye off, just use some Gorilla Duct Tape to keep it together.....

  • Allan Rivera
    Allan Rivera 22 hours ago

    Isn't I trying in minecraft this is fake.

  • ari escobar
    ari escobar 23 hours ago

    Ok youtube i watched it, can you get it off my recomended now?

  • manuel laslo
    manuel laslo Day ago

    the problem with obsidian is, that it is too hard, which makes it brittle. iron and steal is not so durable, because its so hard, its durable because its also flexible, so it will bend rather than break. obsidian and glass is usefull, because of the scharb edges, but its very fragile because it is simply too hard.

  • DeAnn Young
    DeAnn Young Day ago

    In the movie Stardust, Michelle Pfiffer and her sisters had what looked like 3 obsidian weapons. Could you, (if you or someone you know), tell me what they are. They were amber in colour and very beautiful.

  • mike hill
    mike hill Day ago

    Nice try must have to be obsessed to think he could pull this off with anything less than a German high end glass factory

  • coolbeans 2016
    coolbeans 2016 Day ago

    Not sure if this will even be read by those involved in this..... but it occurred to me you could recover alot of the costs, maybe create a "fashion" with "OBSIDIAN JEWELRY"! That amber, clear property? Other colors, if poured into jewelry, maybe diamond shape, shaped, polished & sealed. Would definitely be beautiful!

  • Sebastiano Barabino


  • lightning lao
    lightning lao Day ago

    This Chanel deserve more sub

  • Thomas Jobst
    Thomas Jobst Day ago

    Try to make a larger portal next time.

  • taiga kagami
    taiga kagami Day ago

    Even in minecraft there is no obsidian sword

  • Space Junk
    Space Junk Day ago

    this is one of the worst most pointless and unfulfilling videos ever, yet it gets suggested to me everywhere, even months after watching it and realizing it is shit

  • hEaD
    hEaD Day ago +1

    Then, can we go to the nether?

  • Six Addams
    Six Addams Day ago

    That was like 90% flux
    This aint no obsidian blade
    Obsidian sucks

  • Tim Elsasser
    Tim Elsasser Day ago

    Wow you broke a lot of kilns!

  • Jonathan Llewellyn

    Great video to do, so thanks for going through this massive amount of effort!

  • Parvaiz  Esfandiyar

    Lol @12:31 the nether portal

  • Kevin Sullivan
    Kevin Sullivan 2 days ago

    We have Apache Tears locally that are translucent obsidian. The local obsidian found in beds all around an extinct volcano that exploded, the ash formed a layer in the surrounding geography for about a 100 mile radius.

  • Nuha Ryklief
    Nuha Ryklief 2 days ago

    can you try to cast bedrock

  • ChunkyLover ataoldotcom

    why not use a closed mold?..pre-heated of course

  • Carlos Notario
    Carlos Notario 2 days ago


  • Philik
    Philik 2 days ago

    Cool. now make a nether portal

  • 500 Subscribers with no videos?

    Came here because of memes.

  • Lost Dragon
    Lost Dragon 2 days ago

    what's happening at 12:34 with the 4 stones and purple glow inside?

  • Viggo Swanson
    Viggo Swanson 2 days ago

    Try to cast with salt

  • Ridhwan Firmansyah
    Ridhwan Firmansyah 2 days ago +1

    Oof, Minecraft

  • Aubren Maxwell
    Aubren Maxwell 2 days ago

    Best way to make an obsidian sword:
    1) Find a giant piece of obsidian
    2) Smash/carve it into a blade

  • charles kellam
    charles kellam 3 days ago

    Next STOP!

  • It'sSmitCraft
    It'sSmitCraft 3 days ago

    Use a diamond pickaxe

  • It'sSmitCraft
    It'sSmitCraft 3 days ago

    Nether portal

  • It'sSmitCraft
    It'sSmitCraft 3 days ago

    Minecraft is the best game ever

  • charles kellam
    charles kellam 3 days ago

    Laser !

  • charles kellam
    charles kellam 3 days ago

    Mabe start with a pocket knife !LOL

  • Edwin Meyer
    Edwin Meyer 3 days ago

    Whoever posted this video OBVIOUSLY does not know a thing about obsidian, Obsidian may make for a cool sounding weapon used in video games, but the very first time that such a sword met any resistance the wielder would be left with nothing but a stub of a sword. Obsidian is a very brittle substance and does not stand up well under stress.

  • TheBeast
    TheBeast 3 days ago

    Well you can’t do it in Minecraft

  • Agaliarept 731
    Agaliarept 731 3 days ago

    The good news is: after more than 5 centuries from the "fall" of the Aztecs empire, they're still the best at making obsidian weapons. Nice!

  • Jayson Snow
    Jayson Snow 3 days ago

    What I've learned:
    Don't melt straight obsidian rocks, even though it seems like it'd be cool. And it ends up looking epic as well.

  • Fingolfin3423
    Fingolfin3423 3 days ago

    Our forefathers laugh at our modern machines and our failure to meet their smithy mastery.

  • Jacob Carlson
    Jacob Carlson 3 days ago

    You should just nap a giant obsidian sword, that no one can even lift. like 5ft long and a hand or 2 wide. DO IT!

  • Cryptologist101
    Cryptologist101 3 days ago

    Quick call Forged In Fire producer! I have to give you props for determination.

  • Trevor Rose
    Trevor Rose 3 days ago

    Why did you decide to use obsidian in the first place? Seems like a poor choice

  • Mark Raker
    Mark Raker 3 days ago

    Obsidian is a natural hard glass, why would try to change it? I have many Native American pieces of their tools. Arrow heads, knives, skinning tools, that were made by years of chipping taught by their ancestors. Not slamming you, but please go in a different direction. Teach the art of chipping the glass.

  • daniel loxton
    daniel loxton 3 days ago

    wow minecraft is easy

  • Janet Holmes
    Janet Holmes 3 days ago

    Its just glass, really

  • Donkey Bloxy
    Donkey Bloxy 3 days ago

    Just craft crafting table...

  • nevary
    nevary 3 days ago

    If it’s just glass with different impurities, then do you think you can make a stein with it? Or at least a cup

  • Illumina Blade
    Illumina Blade 3 days ago

    I want to cast magic missile.

  • Team Cyborg
    Team Cyborg 3 days ago +1

    Weird flux, but ok

  • O O
    O O 3 days ago

    can you make a sword out of ice next time?

  • andres perez
    andres perez 3 days ago

    Get rekt n00b you hace 0 minecraft experience How To Make Everything it’s a wonder how you have 1mil subs

    • andres perez
      andres perez 3 days ago

      The best part of this video was 13:59

  • Oshaoxin
    Oshaoxin 3 days ago

    Let's not forget the fact that obsidian is basically volcanic glass which is just superheated rock that is cooled down. If you must use obsidian, create a solid hammer with a huge amount of obsidian and a metal brace. Because of the glassy nature of obsidian you can best use it as it is as a cutting knife. Casting a sword out of it would simply make it dull and breakable like glass.

  • luke Chang
    luke Chang 3 days ago +1

    Make a diamond pickaxe

  • Jose Alvarez
    Jose Alvarez 3 days ago

    I thought he was creating the first blade from supernatural

  • MammaApa
    MammaApa 3 days ago

    Spoiler: No

  • Doom radier
    Doom radier 4 days ago

    Next time try adding some stone to it

  • Ajax Ashford
    Ajax Ashford 4 days ago

    Might have to use a frame inside?

  • Adam Lowe
    Adam Lowe 4 days ago

    have you considered using some sort of metal core heated up to a high temperature, but not molten temperature so the obsidian will have added strength. Also, the conductive properties of the metal encases in obsidian could even help slow the cooling.

  • Whitney Mohrhauser
    Whitney Mohrhauser 4 days ago

    A lot of crucibles, kilns and one son's toy sword are sacrificed in trying to make a blade to defeat the other or white walker.

  • PsychoStuey
    PsychoStuey 4 days ago

    Upvote for perseverance, sheesh

  • Pierre Lehmann
    Pierre Lehmann 4 days ago

    Literally more than half a year later and this still appears in my recommended videos, even tho I already watched it. And disliked it. And said that "I wasn't interested".

  • Shawn Anderson
    Shawn Anderson 4 days ago

    You can't in minecraft, so you can't in real life. It's science.

  • Agape Leone
    Agape Leone 4 days ago

    Awesome man!! Subed!

  • Ben Arline
    Ben Arline 4 days ago

    I might cast better under a vacuum.

  • Rigbone 64
    Rigbone 64 4 days ago

    Subbed under 999K

  • lostdrewid
    lostdrewid 4 days ago

    Can't even imagine how much you lost on this one :( People need to make saner suggestions XD

  • Cailyn_calvin Lie
    Cailyn_calvin Lie 4 days ago

    The liquid looks like chocolate😋

  • emile milton
    emile milton 4 days ago

    spoiler alert: not really

  • Jean-Ian Simard
    Jean-Ian Simard 4 days ago

    This sucks so bad???? Pathetic

  • Can we get 2000 Subscribers without any videos?


    ABOXofMONSTERS 4 days ago

    At 11:48 I thought you casted a blade with magical properties 😅 That’s unreal the properties . There’s a beach in Florida Flagler that has “red sand” six miles of it it’s a pink Coquina I wonder if that could be casted I was just there and it’s amazing .

  • Julian Kersey
    Julian Kersey 4 days ago

    Should have went to Morrowind and asked the dark elves.

  • Tank Body Pillow
    Tank Body Pillow 4 days ago

    Still getting recommended, can youtube stop now since i watched

  • Benjamin Cullifer
    Benjamin Cullifer 4 days ago

    W my glass making experience, I would put it back in the kiln

  • Canal do Near
    Canal do Near 4 days ago

    Lol this guy is an alchemist.

  • Ronni Lyon
    Ronni Lyon 4 days ago

    forbidden syrup

  • KSH4RK
    KSH4RK 4 days ago +1

    I'm surprised Justin Y. isn't down here.

  • Matches Malone
    Matches Malone 4 days ago

    Okay, so I came here thinking you were going to talk about which actor should play the DCnU character; Obsidian....

  • marven ayle
    marven ayle 4 days ago

    maybe talk to the children of the forest (game of thrones)

    SAR TRACKING 5 days ago

    Try an autoclave . Melt in a vacuum .

  • TerraCraftGD
    TerraCraftGD 5 days ago

    Que wen mod

  • Tom Roberts
    Tom Roberts 5 days ago

    You should have asked a professional glass blower to help. It is obvious that you don't know about glass casting (obsidian )

  • SOYL
    SOYL 5 days ago

    I would say one this is made from idiots when you would melt it buy super thermite and use this its make 6740,33 °F

  • optivion
    optivion 5 days ago

    Just like chocolate!

  • Seanplays 16
    Seanplays 16 5 days ago

    Smithing 100

  • Melissa Acosta
    Melissa Acosta 5 days ago

    Good for you for not giving up the first few times it failed 👏🏻👏🏻👏🏻

  • Iván Espíndola
    Iván Espíndola 5 days ago

    Great video! You know, in Game of Thrones they make "valyrian steel" with a little obsidian in the steel mix. You think it's feasible?

  • wtf gwar
    wtf gwar 5 days ago

    Everyone knows you need dragons fire to cast obsidian.

  • Merréll OBrian
    Merréll OBrian 5 days ago

    He's cute. I'd do him.

  • Subparanon
    Subparanon 5 days ago

    I really enjoy your videos. They align with my own passion for experimentation and learning how we got to where we are, and recreating primative technology. I'm very interested in creating an apocalypse book, that can contain all of the information necessary to take a society from the stone age, to the computer age, using nothing but raw materials.

  • Hristo Kostadinov
    Hristo Kostadinov 5 days ago +1

    It was a nice try, but I have to say that there is actually no sense on trying to cast an obsidian sword, because it is one of the rare minerals that have an amorphous 3D structure, like glass for example. That's why it always ends up cracking and breaking.

    • Hristo Kostadinov
      Hristo Kostadinov 3 days ago

      Christian Lund yeah true, sorry. What i wanted to say is “amorphous 3D structure”, without the word “crystal”.

    • Christian Lund
      Christian Lund 3 days ago +1

      Amorphous crystal is an oxymoron.

  • Ariondys Gray
    Ariondys Gray 5 days ago

    3 minutes in and this looks like a story about persistence in the face of adversity...

  • Davis
    Davis 5 days ago

    HOLY SHIT this is epic!

  • imakeanimations
    imakeanimations 5 days ago

    With some mods, yeah, the obsidion sword will be godly killing all those mobs, including annoying skeletons.


  • Peter Benc
    Peter Benc 5 days ago

    what a waste of time watching this video... expected some cool knife...

  • progamer 911
    progamer 911 6 days ago

    i will fight you 1 v 1 minecraft hunger games my sword has strength 5

  • Brian Button
    Brian Button 6 days ago