Smelting and Casting gold! *Lots of it!*
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- Опубліковано 4 лип 2020
- Nice gold bar cast! Playing around with some hard rock ore again and the KK8 smelting kiln. The first smelt was just a test to see if I could smelt copper from some copper ore I recently harvested from my Copper mine. The second was some gold I needed to cast into a bar. And after a few attempts I got a great looking gold bar. It is still all a learning exercise for m as I do not consider myself an expert at casting and smelting. But I am learning.
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This video is produced by Dan Hurd, Prospector, Miner, Teacher and UA-camr, as part of his UA-cam channel based on educational videos about gold mining, gold panning, prospecting, rock hounding, and mineral collecting.
#goldpanning #thefinders #findinggold
Like andrew case said, cupel it with lead on portland cement and don't let it cool with the flux in the mold. It hardens quite quick. Even better melt it with a torch in a melting dish (some borax is enough after cupeling), and while poring it keep the torch on it. Move the torch along with the gold to the mold en after it is evenly divided in the mold, let it cool for the perfect gold bar. Flux is only necessary when you ad lead as an collector metal. After that you can cupel in a stainless steel bowl covered with a thick layer of portland cement, make a totally smooth hole with a big soup serving spoon. Carefully put the collector beed (lead with gold beed) in the middle and fire it up! Very very effective! To make the bar totally perfect and solid, you can put it in a tumbler together with 18k gold round bals (on low rate naturally). The bar wil not damage and after 2/3 hours you wil have a perfect solid bar. If you want to do it next level, try to get your hands on an induction heater, saves you time and better for the environment!!! I hope you will read this after 8 months! Love your personality! And i hope your heart is recovering well! and your beard naturally :P:P
Yay, Dad is back!!!
* oh no, just saw the injured arm, hope he heals quickly!
Watching reruns. Many years has passed and the kid has grown.
Glad to see your keeping your wife busy, weeds are important!
Poor Dad. Hope your owie heals quickly. Another fun video Dan. Thanks for including us.
Was a caster. I was the largest buyer of sterling silver shot in the US. Started making my own shot from my Tree scraps. Did cast gold. Casted 22k, 18k, white, yellow and Russian rose. Of course my casting machine was a $50,000 vacuum machine.
Lovely Dayna is gardening away in the background...lol..! Love the refining/casting vids.
As a welder I can tell you copper turns really grey steel colored when it's seriously hot. Actually heating a copper sheet is a really pretty thing to do. It makes all these rainbow patterns until it finally gets hot enough and then it turns grey. It's something the do with the heat as well as an oxide layer as once it turns grey from heat it won't go back until you sand/polish it and get that outer layer off.
I think (from the things I've seen) that gold like that that's holding onto the impurities just needs held at a higher temperature for longer so it burns all that crap out and leaves just the gold behind.
Excellent video, Dan. Fascinating process and I appreciate you taking the time to explain the rationale behind the various steps. Thank you all for sharing.
I think that it's awesome that you and your family are so close.
God bless you all!
Have you tried smelting it with a collector metal (like lead) and cupeling it? That should clear the sulfide out.
Hey dan I spent 4-5 years working the blast furnaces for my father in laws silver refinery. We had 6 at one time, most of the time we ran 2 at a time. We build them so that we could oscillate them too and fro, back and forth, This movement helped sink the metal to the bottom and helped us pull/separate much more silver out of the molten solution as we otherwise would have had with a non-rocking furnace or crucible.
love the way you show your mistakes and keep us on the learning curve with you. thanks Dan , hope your dads ok soon.
I love the way something ALWAYS goes sideways, or as my Jr High band teacher would say, "Anything almost right is wrong!" I have noticed that in the gold refineries they have a big torch/flame on the entire mold during the poor and as the gold cools - and no flux in the pour. Sometimes they sprinkle a bit of white stuff as well. You could give that a try. I wold like to see what happens.
Man big stack makes this look easy.
BigStackD is amazing and he doesn't even have to speak. those nordic gold videos are my favorite
Hello there. Love your channel and the fact that I'm learning something new. Always entertaining. And you always put a smile on my face when I see you without the hat. With it you look like everyone's favourite jolly uncle, without it, a brutal biker. 😁
All the best to you and your family. 👍❤
Hey Dan watch some of Sreetips videos on gold refining and when he pours his beads and bars
I just wanted to say the same thing. I absolutely agree with you on that. Steetips is the best our ther. It should also help with the copper issue. I think its maybe silver mixes with led on top of the beet.
Excellent Work Dan 🤠 Thank you for sharing with us. God Bless 🙏
Hey Dan! Evan's a Tuber now, so that's a guest spot!
I think the kid deserves a Featuring and his link in the description!
Great work as always.
hello from Ontario the wife and myself ordered a bag of your paydirt as well as a bag of peridot samples and had an awesome time going through it and finding all kinds of gems and lots of fine gold and a beautiful piece of ocean picture stone. We cant wait to make some cool jewelry from it. Keep up the great content we love watching your videos!
Thanks for the interesting video. That's some piece of gold. I remember the video and what it looked like when you got it! A lot different now!
These smelting videos you make sure are enjoyable to me.
I’m actual learning stuff out of school. Thanks!
Really interesting video. What a beautiful yard! Hope all are well. Stay safe and healthy!
Great video Dan smelting is an art form all on it's own. Interesting to say the least . Great channel
That IS a nice looking lil gold bar!
That gold definitely looks shinier and more malleable at the end of the video that it did towards the beginning. Nice work!
Practice makes perfection...always thought casting gold or silver was cool ....thanks for sharing
Nice job with that .thank you for sharing
Really fascinating. You ended up with a beauty. Well done 👏 Your chemistry knowledge is excellent.
Thanks for the fun and educational content as always.
Thanks for watching!
I'm definitely going to go watch the smelting with you and ure pops.
Hey Dan,
I have my first shot at panning in Washington , CA. Its an old old mining town. Anywho I found my first tiny picker about 10 flakes and a tiny rock that appears to have gold stuck to it or running through it. It was awesome. I credit my find to you and your awesome videos. Thanks for all the tips. They all thought I was a pro, I said "no this is my first time, I just watched a lot of Dan hurds videos on youtube" hope it brings you a subscription or two. Thanks again!!!
Dan buddy i could tell you were a fricken teacher from the beginning trying to use less scientific terms and easy to understand explanations love it .. would love to talk shop about fluxing sluicing and smelting
Love to see your boy following in your adventurous footsteps. Love you're videos and the education they provide. Keep doing what you do!
Thank you! Will do!
@@Danhurd
Wow, I want you to thank me for supporting you My heartfelt condolences to your father
An extremely interesting video. Dan has lots of patience but preserving to the end. Thks for this.
Thanks for watching
Really like your videos on smelting. I find that process very interesting.
Thank you very much!
A lag bolt to scrape and break up the flux... Proper tool for the job and all that...! 😉👍👍
Thanks Dan ...Love seeing you just " playing around " you can learn a lot just playing around..........P.S....Hope your feeling a lot better an that dad was ok with his injured wrist
I've seen precious metals cast into graphite ingot moulds with little to no flux but with a flame playing onto the mould and then the top of the ingot, the heat seems to facilitate a nice smooth pour and a well formed ingot.
Looks like your son is picking up a lot of useful, old-school techniques and information. Someday he will follow in your footsteps and keep the art alive...
All your clips are cool.alot of knowledge
Hi dan awesome thank you for sharing hope ur dad is ok hope your doing better to be safe
I have been waiting for more of these videos from you. Lol. Love these vids
Can you smell what Dan is cooking..... LOL 👍🏻
Thanks!
Love learning all this stuff!!
Awesome
love these video's seeing the gold melt etc!! hope you're dad is ok now and even looks more like you're dad now than you do dan lol but great video x
That is the best backdrop in the world Dan! I joined Evans channel and will check it out later. Keep working on improving that gold piece
wow that was cool fam. GOLD SQUAD OUT!!!
Nice vid Dan. I’ve done some copper and bronze casting and the flux is mostly/partly about keeping the oxygen out. I guess it also takes out other impurities. Gold being almost inert I’m not sure it needs as much flux, especially in the final pour. It seems to interrupt the flow of the gold too.
Very cool...im learning alot...thanks.
I want more for this :) it’s therapeutic
Congrats on your find !
Great video, thanks for sharing. We are going to do my first Gold minding Saturday. Wish us luck. Thanks.
Yay! more content!
Great video 👍, I'm more of a acid/ electrolysis fan when it comes to refining gold. But watching gold being poured is way more entertaining.
love ur videos dan very informational
also dan you don't even need to mention the subscribers thing or liking videos .... your character and content are enough to attract people to your channel. Don't follow the masses just because everyone else is doing it doesn't mean you need too ;)
Great video Dan. Thank you sir.
You are welcome
Lol click Pic is hysterical
It looks like a gold suppository 🤣
👍👍round things roll who knew 😂😂😂 great vid. Bud love the smelting vids
Great Video Dan.
Nearly pure gold with just a touch of sulfides cleans up really nicely with aqua regia followed by metabisulfite precipitation.
I did that with some small bits of highly impure stuff I found.
Have some other metals and strange compounds that settled out of the leftover stuff. One metal fell out of the hot acid almost at once as it cooled even before the precip, so I think that must be platinum group.
second video i watched of yours and very educating plus really fun.
nice looking gold bar, i hope my first bar looks that good.
07:55 I love the little chorus and what's being said!
Great Video!!! Always learning from your videos!!!
Awesome! Thank you!
Your channel is good vibes man. Keep it going :)
I always enjoy your videos and this was no exception. Too bad about the little copper ball.
Hope your dad is ok! Ouch!
Do any refining texts or experts have ideas of what makes gold brittle when it's usually ductile. I would try dissolving it in aqua regia and precipitating the gold and remelting it to a bar. (see Sreetips channel)
I was just about to suggest chemical refining and the Sreetips has great videos for that.
+1 for sreetips - though you want to be really careful when you get into the chemical refining. sreetips uses a fume hood, wears protective gear and has years of experience doing this. I would also suggest mbmmllc for a lot of info on smelting and cupelling.
You beat me to it. This was my thoughts exactly. Go to solution and precipitate out the pure gold. Only way at this point. Also Dan could learn a little about casting gold in graphite molds. No glass needed. Sreetips uses no real flux for casting just some borax to keep the paper ashes down while melting the gold out of the filter paper. That silica likely ruined the mold. Casting in the old iron or steel molds may be different but graphite has no need of such.
I was just thinking the same thing, I've been a jeweler and bullion caster for a long time and have done it like shown in the video. Lately I use very little flux and create my own molds using kinetic sand which works great for unique designs while retaining some of the nice pour lines. Whenever I use a lot of flux I lose control of the pour and then the cast is never even.
Very cool process 😎
Glad to see your Dad back in action. MBMMLLC.com is a great place to learn about refining gold. Great young man there. They sell mining machines for little small operations to large plants. You might find what you need for hard rock mining Dan. It's Mount Baker Mining Machinery LLC. Great video. Watch Bigstacked in Australia for smelting brass,copper and aluminum. He's a pro at it now. Great video Dan👍
Thank you. Enjoyed that. Will go watch the how you hearted about smelting, etc videos (although I’m not sure I’ll ever get to do that, it is interesting). I hope your dad is ok! Question: I have sometimes done raku pottery firing, and fire an electric kiln to about 2300 F. I have dark glasses to protect my eyes from damage (mostly peek at the raku kiln pottery to check the pots ~ although I usually trust the pyrometer). I’m not sure how hot that little kiln gets for smelting metal, but I see the silica melts. Any thoughts about eye protection from the infrared light (risk of cataracts)? You may be wearing ANSI shade 1.7 lense safety glasses off camera and we just don’t see it...
Hi Dan
This was a great vid on smelting. I'm curious as 2 what is in the gold that caused it 2 break. I remember when u first got the mess and u have come a long way from that. Is there a way to find what is mixed in with it that makes it sawdusty look when broken?? Troy
Great Video Dan. I like the smelting vids. Peace.
Sweet video practice makes perfect awesome thanks
Another great one!
Cool video Dan. When you said you were going to use flour for carbon the only thing that popped in my head was copper biscuits. I guess I was thinking about the bread my wife baked for dinner
Another great video dan.
Really nice garden
Thanks - that's Dayna's thing
Very Helpful video sir thank you very much sir
Well HELLO AGAIN Dan!
Thanks for another very interesting video...thanks! I always learn so much from them!!
I may have overlooked it but...do you have s video on how you made that cool crusher?
I’ve had numerous occasions where that would have come in handy.
thanks again and please....KEEP THOSE VIDEOS COMING!!
What a nice chunk of gold
It really feels substantial too!
You da man using welding gloves and 2500 degrees. That said this was fascinating
Thanks!
always a great vid Dan, Cheers from Onterrible
Need to make square copper bb's Lol. Smelting is so interesting and that is a nice gold bar. Well done Dan.
Thanks 👍
Wow
Can’t imagine how much one of those bars you see in movies is worth
awesome i would like to see more on smelting
Kevin and your dad seem like sweet people
Love your videos
Hey,question? I understand there is a special light for hunting gems at night,like uv or black light. Can you explain? Thanks Dale.keep up the great videos.
I have a question Dan, can you put the graphite mold with gold beads in it into the furnace? I have seen videos where it has been done in a commercial setting to get an exact bar weight.
That was a very interesting and fascinating to watch. We're buying a travel trailer and taking to nature very soon. I'll start a UA-cam channel and document our journey. Thanks for the wonderful content. You are one of my favorite UA-camr's to watch.
Glad to see another vlog.. Love your channel
Thanks!
@@Danhurd you're more then welcome !!
I think you should test the gold with XRF. It may have arsenic in it which makes for a brittle alloy. It was problem the London mint had with gold from Australia in the mid 19th century
Third time's a charm
Dan hurd you need more subscriptions
Bummer to drop the copper. Neat bar of metal. Nice lookin bar of GOLD.
Dan was your dad arm wrestling Evan again!?, there's bismuth, lead in the gold huh!?, the bead roll hey it left the stage!!!; )
Nice backyard!
Thanks!