Can you Glassblow Obsidian and Make a Knife?

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After casting obsidian, I wanted to give glassblowing it a chance with the help of Todd Cameron (check out his work: / glassplayer )
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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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Опубликовано:

27 авг 2018

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Комментарии : 808

@haperawehiwehi8661 5 лет назад

In NZ we have a large occurence of naturally green-ish obsidian which transitions to a deep transparent auburn colour at a place called Mayor Island. because it's so unique it's protected, but the green is a result of iron minerals like pyroxene and olivine in the obsidian deposits, similar in chemical composition to the obsidian found on other intermediate rhyolite volcanics :)

@jacksonpercy8044 5 лет назад

So kind of like the opposite of blue amber. That's pretty cool!

@mihailmilev9909 3 года назад

@@jacksonpercy8044 cool

@mihailmilev9909 3 года назад

@@jacksonpercy8044 never heard of blue amber either

@jamesojeda9351 5 лет назад

As a glassblower i find this....very intriguing....ive always wanted to look into melting and blowing obsidian....its make me wanna take up the project my self....im a very green novice into making my own glass...but this rly caught my eye....hopefully i can hit the floor running based on what you have provided....i truly love your channel and ur ambition....for starting things from scratch...much love and keep the good work coming

@T_RAWMOTO 5 лет назад

howq many glass blowers does it take to change a light bulb?

@c_vincent 5 лет назад

@@T_RAWMOTO how many?

@daeldir 5 лет назад

@@T_RAWMOTO I'd guess one. But as beautiful as the light bulb may become, chances are that it is not working anymore once the glassblower changed it ;-)

@T_RAWMOTO 5 лет назад

it takes 100 glassblowers! one to change the light bulb, and 99 others to say how they can do it better! lol

@jamesojeda9351 5 лет назад

@@T_RAWMOTO lol...my guess was one aswell....but u r sorta right on that one...

@fariatasnim8191 5 лет назад

I don't understand how that can you cast obsidian blew up RU-vid. I just saw it from my notifications. Didn't realize it blew up until I saw pewdiepie's video. Your videos are amazing though. And I respect you efforts. They deserve to blow RU-vid up.

@Tuttomenui 5 лет назад

Minecraft modded says yes.

@Progaminer 5 лет назад

It's probably RU-vid promoting this channel purposely

@salemi7438 5 лет назад

Same

@jay-tbl 5 лет назад

I think it was a funny coincidence. No one really knows completely how the RU-vid Algorithm works. Maybe, by chance, everything about that one particular video was deemed "amazing" by the algorithm's standards.

@newtrog.367 5 лет назад

The obsidian acted very different than I anticipated Since it's similar to glass, I expected it mold like it Also keep up the great work, you deserve to be recognized

@franco2098 5 лет назад

I have no idea how so many of his videos don’t “hit the algorithm” , he makes some amazing content!

@TiagoTiagoT 5 лет назад

The algorithm knows nothing about quality; it is not smart enough to understand what it means to be good, it only takes basic things like what objects it detects in the video, what is spoken, the words of the title description etc, and how many people watched it, for how long and so on.

@alexkantor8238 5 лет назад

The color change as it annealed the second time was very interesting. It looks like it went from that green color to something closer to blue

@GigglingGoof 5 лет назад

Alex Kantor I remember in my single glass making class that you added different chemicals to the glass to stain them (such as some form of cobalt for blue) so I’m extremely curious on how it changed colours does working with it different ways alter its properties some how?

@alexkantor8238 5 лет назад

Granblu i don’t know the chemical composition of the flux or the obsidian, so there could be some reaction causing a blue coloration

@GigglingGoof 5 лет назад

Alex Kantor I wonder if obsidian is like sand where taking different types from different places can produce unique properties such as the ones taken from North America compared to Hawaii.

@MegganW 5 лет назад

i found your channel thanks to your last obsidian video. it was really interesting, so i subbed and binge watched ALOT of your videos. good job!

@clipsus_clips 5 лет назад

Can you melt obsidian to make obsidian

@liamburns5613 5 лет назад

Obsidian-ception

@evenrik_2214 5 лет назад

Yes

@gjbee1284 5 лет назад

Can you cast obsidian into obsidian

@jilliebean613 5 лет назад

It's hard to tell if you have a bad kiln and need to use a bunch of flux

@omn8390 5 лет назад

can you melt a human baby to make an obsidian sword

@TheOfficialCzex 5 лет назад

I remember when you had not even 100,000 subscribers. Now you're nearly at a million! You've come so far.

@cheesetheorange4503 5 лет назад

yeah wait what when did he get so high

@naslyaplr7235 5 лет назад

TheOfficialCzex WE MADE IRON MAN GUN! YOU CAN WATCH FROM OUR CHANNEL.👍🏻

@CloudCollapse 5 лет назад

Man I’m so glad your channel is blowing up. You definitely deserve the attention for all the work you put in

@micahphilson 5 лет назад

I really fell in love with the channel late last year, and since then, I was astounded that it was such an underrated channel, so it's so awesome to see them growing like this now!

@garretschinkel2740 5 лет назад

There was lots of blowing and glory holes in this video 😉

@theblackbaron4119 5 лет назад

Send I the Google algorithm to purge anything that might be "inappropriate"

@kebap6797 5 лет назад

The comment i was looking for.

@SwapPartLLC 5 лет назад

And they made something from obsidian which resembled a dildo.

@daniellaffan6992 5 лет назад

Stfu

@CamoronZ 5 лет назад

The 'thing' inside that hole even look like 'something'

@Amlugalen 5 лет назад

wow i was shocked to see 10mil on the last obsidian video! You totaly deserve it! I love your Concept its one of a kind ob youtube

@davon2731 5 лет назад

Great video. Glad your finally starting to get more recognition from RU-vid.

@tillybillyboyboy 5 лет назад

This channel is better than anything on TV! You all are awesome!

@remwastaken 5 лет назад

anything on youtube is better than anything on tv

@basil116 5 лет назад

@@remwastaken its not that hard to disprove that.

@Bbistheman_ 5 лет назад

@@basil116 Jake Paul

@naslyaplr7235 5 лет назад

kevin tillery WE MADE IRON MAN GUN! YOU CAN WATCH FROM OUR CHANNEL.👍🏻

@RedHeart64 5 лет назад

Were you trying obsidian from a single source? There is a great variety between sources - some are more homogeneous than others, and there are two basic formulas - one that produces obsidians more black in color, the other green (depending on the elemental makeup). Some sources are not good for making tools (even though the obsidian looks good), others fair in their workability, and some sources are very good. Many obsidian sources still have trapped gasses (making them more opaque), which would cause the shattering. I would suggest some more background reading on obsidian. It may be internally homogeneous within a source, but there can be huge difference between sources. The type of flux you use can also have a huge impact on the characteristics of the glass.

@werty7099 5 лет назад

I didnt see your channel until the obsidian casting video and i have been binging ever since i love your content man, i try to do a lot of things from scratch myself and you give me so many ideas!

@janxuz9732 5 лет назад

4:35 We did it 9-year-olds XD

@savetrees6005 5 лет назад

@vhiria2856 5 лет назад

9-year-olds unite!

@James_Barrett 5 лет назад

First fortnite now obsidian, whats next?

@rishisivakumar2013 5 лет назад

True success put this in the subreddit

@cyclick350 5 лет назад

Onto the next battle.

@dwaynewladyka577 5 лет назад

I love this channel very much. It is interesting what you tried to do with the obsidian. One of my older brothers did find an Native American arrow head on our dad's farm in Alberta, Canada. It was a pretty cool find. Can you make your own canoe out of wood, like birch bark, for a future project? Keep up the great work. Cheers!

@abou824 5 лет назад

This would be really cool

@bcikablam3578 5 лет назад

yeah that would be cool, I saw how to do it in an old book. "101 things everyone used to know how to do"

@benparr2895 5 лет назад

who thats soooooooooooooooooooooooo cool

@fortune6858 5 лет назад

Yaaaaaasss

@dwaynewladyka577 5 лет назад

@@bobloblaw1720 But I think it can be done.

@Aligirl77 5 лет назад

I am so intrigued by this series!! You're doing great Andy!

@sink899 5 лет назад

I'm glad that with the last video you guys finally got the recognition you deserve. Keep it up!

@ewanwilson1974 5 лет назад

This is why I love this channel. You learn with the audience. So, is it possible: yes, is it easy : absolutely not. It needs more care than normal glass does.

@phelanii4444 5 лет назад

I recently subscribed, cause the last obsidian video came up in my recommended box! I think I've watched all the episodes by now, and have also gotten my sister into watching your channel :D

@NKG416 5 лет назад

i love your dedication man!

@efreetheawesome 5 лет назад

Started watching you guys from the start. It's so awesome watching high quality, wholesome content getting the views it deserves. God bless all of you.

@rayanhey2411 5 лет назад

I love the fact that even after many tries you did not gave up . You are a exemple for me

@mischaminxx 5 лет назад

Any of your videos about making glass from scratch are so fascinating to me. Keep up the hard work ❤

@riapendragon3769 5 лет назад

Thanks for all the time and effort

@MrRockingharsh 5 лет назад

Never missed a video. My favourite channel !!!

@sirflimflam 5 лет назад

I always wanted to get into glass blowing. Seeing this stuff is awesome!

@elijahgonzalez606 5 лет назад

This makes me so happy to see how successful you are becoming!

@iansykes6607 5 лет назад

Let the memes begin

@ikennaenwelum7798 5 лет назад

Your workshop background is so cool, nice work!!

@shanemonaghan9701 5 лет назад

This is awesome! I've been blowing glass for three semesters and have wondered what it would take to blow obsidian. P.S., I think I saw you at FOCI in Minneapolis in late July/Early August

@sephcrow 5 лет назад

What a brilliant idea to go to a glass blower, this is awesome

@Guru_1092 5 лет назад

I really want to see this obsidian glass making technique perfected. It would be so cool to have developed your own technique through research and perseverance.

@deweydoesit7165 5 лет назад

That is freaking amazingly awesome. Army green is perfect. My grandaughter collects rocks as I used to. She is 7.

@darkunicorn1208 5 лет назад

I would like to see this scaled up and done like this dude suggested. It could be really cool. Just what he was able to do here is flawless work.

@fingernailclipper2152 5 лет назад

I sure do hope this Glassbow obsidian material could make the “cut”! :D

@theannechann642 5 лет назад

This is so cool. I love watching these videos

@plumsmuglers 5 лет назад

You should try the investment mold style casting I'd say that'd be your best bet, go to an art foundry make the ceramic mold then come back here and melt the obsidian and pour into ceramic mold anneal mold n all.

@sem4life63 5 лет назад

The obsidian will boil if it can't breath through the mold. A ceramic mold definitely won't breath.

@leonchandler4643 5 лет назад

Awesome video as always :)

@professoryodie 5 лет назад

Definitely glad it blew up bcz u always put a lot of time work and money into ur videos

@haroniqbal1944 5 лет назад

I was shocked that you guys got 10 million on your video because i was so use to you guys having 200,000 subscribers from the last time i checked and now so close to the big 1 mill this is one of the great channels that don't die then make clickbait videos i wish you luck and thank you for being a god tier channel. ps. I bet this video will blow up too

@cyberworldcatgirl4188 5 лет назад

Something something OBSIDIAN MEME FUNNY JOKE!!!!! But seriously, I love your videos. Keep up the good work.

@iridium9512 5 лет назад

I believe the problem is that glass is much more consistent and uniform material than obsidian is. You should, instead of adding more flux, try to melt it in, say, stainless steel crucible and keep it molten for a long time so that all impurities have time to settle up or down. Once the impurities are settled, you can remove them and then try to glassblow "pure" obsidian. Thumbs up if you think this is worth a shot

@cobalt1754 5 лет назад

Furnace glass is generally melted at 2150 degrees, at least at my school, so it'd eat through steel. They'd probably have to tweak the formula to be more similar to that of glass for it to be stable and uniform enough to blow..

@iridium9512 5 лет назад

Yes, flux is added to lower the melting point. But glass does not need to be fully molten, as it will soften much before stainless steel starts to deform. But if this is still a problem, I'm sure he can find get one of the higher quality crucibles which will not crack under constant high heat.

@kimlogue2386 5 лет назад

I cast NZ Obsidian using lost wax process kiln casting, is a amazing material just is so variable depending on where its collected from.

@baddayoverdosed 5 лет назад

These videos have really got me wondering where "obsidian" ends and "glass" begins.

@josephbrewster1169 5 лет назад

Thank you. Very interesting.

@raymond3235 5 лет назад

your videos are so good, you deserve way more subscribers and views

@timothydryden2517 5 лет назад

man i just love htme

@isekaiexpress9450 5 лет назад

Star Wars books featured some interesting Sith dagger made from volcanic glass, called Shikkar - in the emerged culture of the forgotten Sith tribe, it was common to kill adversary persons of influence, but it was also common to assasinate them with a expensive, craftsy, pretty glass dagger to express respect - death with a shikkar was considered a gift and a agonizing death. The dagger was specially tempered to splinter in glass shards once being twisted in the wound, so it was explicitely one-use weapon destined to the victim and no-one else. But - it wasn't explained how the tempering was done or how it was sharpened. Maybe it was also tempered so it would reveal edges after being apllying a hit on a calculated breaking point during creation or by the customer to be impressed. The second breaking point will be probably inside the grip to make the dagger blade shatter after twisting and not to hurt the hand of the assassin.

@kapn4611 5 лет назад

I lovvve your channel!!,keep it up bro :)

@agansen 5 лет назад

I have enjoyed your videos for quite a while! I have a theory of why your first obsidian video blew up. It's the connection to game of thrones and dragon glass being equated to obsidian. Essentially I think that since that is a major aspect of the lore from a super popular series right now RU-vid may have bumped it because its trendy in pop culture.

@danger1616 5 лет назад

gratz on the 10 millions views on the last obsidian video !

@jeremyhicks6367 5 лет назад

Thanks for sharing!

@arqueic4602 5 лет назад

Ive done glass blowing before. Its a very cool and fun activity, for anyone who hasnt done it, highly recommend it. Its easy to learn how to, just really hard to master

@jonathanwilliams6922 5 лет назад

Good stuff man

@jphattie9748 5 лет назад

You should to a longer segment on the obsidian prince Ruperts drop. That looked crazy! I'm gonna go check out that glass blower next time I get some free time in mpls.

@Gorrash 5 лет назад

2 years down the road, if YTB still rolling, and if the channel keep the quality content, this channel is going to have 5 million subscribers.

@Mysticfateee 5 лет назад

I don't know why but i was completely captivated while watching this video and that's saying something as someone who has been watching RU-vid videos daily for close to 10 years. I don't know if it was the glassblowing in general or the context in it's entirety

@iriomotejin 5 лет назад

> ...the creation process could just be lost in that, you know, unknownness... This is pure poetry.

@kaldmigchristoffer2474 5 лет назад

Yes love youre videos i was so Happy when i Saw you made a new video

@gordonlawrence4749 5 лет назад

Cant wait to see the obsidian Prince Rupert drops. Awesome idea.

@khazix4833 5 лет назад

At this point we're like "Come on Obsidian!!!! Can you just work with us for once?"

@juandelacruz1108 5 лет назад

Great video man!

@juandelacruz1108 5 лет назад

Update: HTME, thanks for the heart !

@efrenledezma8536 5 лет назад

Can you make an Obsidian Bong?

@zippienippi 5 лет назад

^ Everyone needs to like this comment so he can see it!

@cobalt1754 5 лет назад

Probably not, they're made of borosilicate glass, which has a high thermal shock resistance. An obsidian bong would probably crack if you tried to put a flame to it.

@blackness4954 5 лет назад

+Silver Ion Now that's one video I'd want to see.

@awake8794 5 лет назад

The PROFESSIONAL couldn't even blow a bubble with it...........How's HE supposed to blow a bong?

@Original-GKP 5 лет назад

dont give up and dont give in... the man that created the lightbulb found dozens of ways to not make one before he did it right. food for thought. have a nice day

@degiamyers4970 5 лет назад

So cool!

@chewy2420 5 лет назад

Love the glass series. You should make it a permanent fixture to the line up

@Freizeitflugsphaere 5 лет назад

Thats another great episode! Which flux did you use?

@austin503 5 лет назад

Well, glassblowers typically use natron salt, which is composed of sodium carbonates

@thaelfern 5 лет назад

The first knife looks so interesting, it looks like a soft moldable material but its hard glass.

@brycerosellini7806 5 лет назад

Could you do more stuff like the casting obsidian? Projects that are unique but still something that can possibly be done at home with a few specialty items.

@josiahmorris8502 5 лет назад

Awsome i love your videos thankyou so much

@TheFlyingSeagull 5 лет назад

This is really cool

@raypimienta7670 5 лет назад

I think it would be cool if u started a survival series.

@SnowPaw404 5 лет назад

I saw your obsidian sword video an hour ago and I think its really interesting

@madmartianmod7753 4 года назад

9:43 - That's a nice iron sword on the wall you got there. Be a shame if a creeper were to sneak in there. Great video, my team is looking for some tenable modding ideas, we want to see what you can do with obsidian DIY.

@kimlogue2386 5 лет назад

Another great video, now you will have to try the lost wax or sand casting Obsidian in a kiln like I do and you will have better success and the temperatures are lower under 1130c

@SilentTremors 5 лет назад

These videos are wonderful. And I can see them being used to some degree for research papers. Good job man.

@jasonharrison9677 5 лет назад

Question, not sure if it would work, but could you make a Prince Rupert Drop of pure obsidian then when you shattered it use that material to smelt for the blowing or pouring, as it seems to go to a much finer powder than when you just crush it, or would there be too much of a change the the material like crystallization of over heated aluminum

@kaminari7245 5 лет назад

I love the Segway into the ad.

@deweydoesit7165 5 лет назад

I would love a knife loke that. I wasstationed in far east Turkey in the early 80's. They called it the rock. We had a boulder of obsidian on a concrete pediltal and Im gonna guess it weighed nearly a ton. When we leave they break of a piece of obsidian and put it in a brass or bronze pestel and urn and give you a Russian pocket watch as a momento and thanks for service in such a remote location. I was honored to serve. All of it was stolen and Ive been heart broken since. It would very special to me to have some obsidian in raw form and some made into a knife.

@UnstableStrafe 5 лет назад

Good luck to making a working one!

@mattjohnston2 5 лет назад

I actually gasped a bit when the first knife dropped from the rod! This was a really interesting project, I'm glad the obsidian somehow got you more views! It's got me thinking now about the flux. I know almost nothing about glassblowing or sculpting, can something else be used as flux?

@davidschmidt5165 5 лет назад

I originally got hooked with the how to make a rootbeer float

@seannot-telling9806 5 лет назад

What did it feel like having the Prince Rupert Drop go off in your gloved hand?

@unvergebeneid 5 лет назад

That green obsidian is really pretty though!

@arc.7758 5 лет назад

Im just gonna watch this before its all over my recommended.

@chadellett4696 5 лет назад

Hi can you do a video with Expanding foam spray in are car exhaust pipe..

@johnnylingo4686 5 лет назад

Obsidian really isn't like modern glass at all, which is why it's only really suited to primitive tech. Your experiments are awesome keep going.

@CedricAda 5 лет назад

lookin forward to seeing this thumbnail every day for the next two weeks 😂

@TesserId 5 лет назад

Sorry if this is a duplicate, but at 722 comments, I'm not going to read them all. Look up Pyroxene, the stranger in the fire. Then look up chrome diopside. These minerals are second to the deepest, hottest, highest pressure mineral in volcanic material (according to Bowen's reaction series [independent of the feldspar branch]). That green you saw reminded me so much of the diopside samples that I have, that I just had to comment. To be clear (as glass, or thereabouts), I watched this video a few days ago, yet had to come back when I found what I hope is a reasonable explanation. These experiments with obsidian have been fascinating, and I really appreciate the curiosity that goes into them. I hope for these obsidian experiments, you get (or have gotten) feedback from real geologists. But, the final upshot, this stuff that us amateurs have been calling volcanic glass is full of impurities--as if you haven't already had that thought. So how curious: you can knap it, but any kind of melting will have to deal with the other minerals that formed fairly deep, hot, and at high pressure--which might behave funny, and runny, at surface temperature and pressure. Go figure.

@j.lietka9406 Год назад

Can certain substances be added to the obsidian/ flux mix to improve it's behavior when hot?

@joshuachilcutt5416 5 лет назад

Take it to a water jet cutter. They can put a nice clean edge on it, and super sharp too!!!

@IberianCraftsman 5 лет назад

so pretty that blue color, it could be used for jewels

@jonanderson5137 5 лет назад

7:40 - 7:50 Benchmade model 940s, Classy!

@binghambud 6 месяцев назад

I wonder if you can make a stone mold or something to cook obsidian and crack it open, like clay would that work. So I would make the clay mold, then put sandy obsidian and press it firmly and cook the obsidian from the clay.

@SergeantSphynx 5 лет назад

I'm not sure it would be something you would do, but I wonder if the issues with the melting of the obsidian would be resolved by making a mix that is chemically "identical" and starting from that and not a chunk of obsidian.

@savagejoe3555 5 лет назад

you might be able to make a blade by melting the obsidian and letting it sit and cool in an preheated metal plate with an elongated V shaped mold with an matching metal wedge. once cooled slowly to an sold take out of the mold gingerly and chip-away at the unwanted parts to form the blade. make shore that its make sure it's braced when you strike it. this might work for the blade part of the obsidian.