Metallurgy - Mixing Yellow Gold DOWN From 18ct to 9ct | Goldsmith's Workshop Secrets
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- Опубликовано: 9 июл 2024
- This week we're discussing metallurgy!
Specifically, mixing yellow gold DOWN from 18ct to 9ct / 10ct gold. I mention a few of the things I suggest to look out for, what to advise your client (if it's their sentimental metal they're having mixed down or melted to create something new) and I list a few benefits of being able to use this process. Plus more! Including mention of one of the books that really helped me in the beginning of my career as a goldsmith.
We are mega busy and about to open our first RETAIL STORE in the UK and this is a little recap / updated video on this process which can be hugely beneficial to both you and your client.
We'd love to hear your thoughts on this and if it's something you practice in your workshop. Any tips or tricks you would be happy to share with the community or questions - you know what to do!
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With love,
Jaco & Damia 
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Thanks for the info guys and enjoy the rest of your week.
Very interesting and thank you for sharing the formula. Hopefully you can give us a tour of the finished shop layout. Always open to ideas especially jewelers who've been at it a long time!
You are so welcome. I will definitely do a small workshop tour 👍🏻
I've never heard of using brass for the cut when alloying down. Interesting. Why brass, sir, instead of a commercial master alloy or silver and copper?
Brass is a mix of copper and zinc. I’ve used this for all my work and it works great but just for bench work. Casting would use another alloy.
Thank you 😊
If i make my own alloy as a regular person can i take it to get assayed
You should be able to. We are looking to do a video regarding the assay office in London and these are the questions we will be throwing at them 👍🏻
Can I ask, if you were alloying down a mix of 22, 18 and 14k (to a desired 14) would you add brass as your alloy vs copper and silver?
I personally use brass from 18 down for yellow. But it’s entirely up to you and what you would require.
@@jacothejeweller thank you, I really appreciate you sharing your knowledge and experience. Would you use something else if you were casting with it? (Sorry for all the questions, that’s the last I promise!)
@@FranBlake-nw5ie no problem at all - cast gold mix isn’t something I use in the workshop so I wouldn’t be able to guide you on the mix. I know they sell it but never buy it because it cracks when you work it on the bench.
@@jacothejeweller thank you, I really appreciate you taking the time to share your advice 😊. Love your channel!
Thank you so much! This is exactly what I have been looking for, for an upcoming remodelling project I have! Your videos are so helpful so thank you 😊. Once you’ve created your uniform carat gold (e.g. all 18 down from 22) would you still add some fresh gold to the mix?
You are so welcome - I would definitely always try and keep just above the ct to make sure I’m safe. I usually just mix down like this for a specific job - like sentiment rings where the customer has a connection to it. Once I’m done with that project, I would offer the rest as discount to the customer or return it for use later down the line.
@@jacothejeweller thank you 😊. Ah ok, I’ve been told by some to always add some fresh gold grain into the mix when melting down old to get a better pour- do you generally not have any problems just using the old gold provided by the customer?
@@FranBlake-nw5ie ah, okay - I understand it wrong. No, I don’t add fresh gold to the mix. I mix it over carat when working out the balance. Not by much. But mostly it’s all fine. I do mention the risks beforehand so everyone is aware of the potential of cracking. I’d say 90% of the time it’s fine.
@@jacothejeweller thank you!
how about a white gold video? ill take scrap white gold i got in the shop to make sizing stock but its so hard to work. help a subscriber out. melt and roll some white gold out for us. thank you
The easiest white gold is 18K palladium white gold which is only palladium and gold and is absolutely a dream to work with. Its easy to melt but requires alot of heat as palladium has a high melting temp.
@@jasperallen8479 thats all fine and dandy if you want to order 18k palladium white from stuller etc, im trying to save money for me and my customers by using scrap. money is tight in the midwest usa right now. if you got a video send me the link and I will gladley subscribe and watch.
@@jasperallen8479 yes 🙌🏻 this is great. Thanks for adding to the conversation 👍🏻