Sometimes I’ll say I’m “finishing” a piece. That’s really vague, so I thought I’d explain.
When I get a piece back from casting, it looks like this:
I think we can agree that looks like shit, so how does it end up looking not like a piece of scrap metal? It’s all in the finishing process.
The grinding process is when I remove the ‘sprue’ from the piece. The sprue is the little bit left from where the molten silver flows down the mould into the piece. This part is dead simple, I literally just push it into a grinding wheel and watch the sparks fly.
.Notice I’m wearing gloves. That’s not to protect my fingers from the grinding wheel though. It only takes a few painful practical lessons on the heat conductive properties of metal before you stop thinking you can get away without wearing gloves. These ones are leather and kinda expensive but they’re so comfortable that you could literally wear them all day and not have any issues. Does that make my rings not vegan? I dunno.
Belt sanding is similar to grinding, but less harsh. This allows me to get a bit more silver off the piece without accidentally ripping half of it off with a careless nudge. Trust me you only need to do that once before you learn.
I normally have to vacuum my workbench after this because of the ungodly amount of silver dust everywhere (yeah I don’t reuse it, what’re you gonna do about it?) . Here’s how the piece looks afterwards:
Oh it still looks like garbage. Alright.
Rotary Tool Sanding
You thought the sanding was done. You’re wrong. The sanding is never done.
This is pretty much the exact same as the last step, but because the rotary tool is hand held I can get a bit more precision. Doing this extra step makes buffing a lot less painful.
With the grinding and sanding done, we can get down to the more interesting bits. Buffing methods vary, some people like to do it by hand with a cloth (what is wrong with you people?). I prefer using technology invented within the last 200 years so I use a rotary tool with a buffing head attached. A buffing head is pretty much just coarse fabric impregnated (that is the technical term I swear) with buffing medium. It looks like this:
This buffing head is green, they come in different colours depending on the coarseness of the buffing medium. Yellow is the most coarse, and black and red are the least coarse. Don’t think that makes it any less painful when you accidentally brush your thumb with one and get a combination of a carpet burn and road rash in less than half a second.
No one is perfect, and that includes the casting company who I pay to cast my rings in certain sizes. Not to worry though, as a professional jeweller I’m skilled in the techniques required to fix an issue like this. Techniques include: hitting the ring with a special hammer until it fits.
That hammer looks funny because its actually made entirely from leather and coated in shellac. You need a hammer like this to resize rings without completely deforming it. Once again, I learnt this the hard way.
Creating a Biohazard (Oxidiziation)
This is a tub of liver of sulfur gel:
Some genius figured out that if you leave Sterling Silver in a sealed bag with a warm egg yolk overnight it’d oxidize. Liver of sulfur mixed with some warm water does that in about 3 minutes. That’s because liver of sulfur is literally just concentrated rotten egg juice. If you’ve ever smelt rotten eggs, just imagine that smell x10 and you’ve got liver of sulfur. The best part is that for the privilege of owning this 4 oz tub of rotten egg juice you’ll pay about $60 plus shipping. That’s because everything you buy for making jewellery is a ‘specialist item’, so you get charged specialist prices.
The egg water has a lovely yellow brown tinge.
They sit in here for about 5 minutes, or 12 hours if I forget about them overnight.
Here are the designated yucky egg water tongs. You can see the solidified sulfur on them
Bye bye piss egg water.
After oxidization, here’s how the rings looked:
Obviously we’re still a far cry away from the nice shiny finish we want, so I have to buff all the oxidization off.
Here’s how it looks afterwards:
Not bad, some people like them like this. I’ve had a few orders where people don’t want the high polish, so I’ll put a bit more effort into the buff and leave it like that. Normally though, I’ll keep going to the next step.
This step doesn’t require much explanation, but I think the tool used is pretty interesting:
It’s basically a metal stick wrapped with cotton. It doesn’t do much on its own, but when you combine it with polishing medium:
It becomes a tool worthy of my love.
I use Dialux Blue Platinum to polish Sterling Silver, and gold for that matter. I don’t know if it’s meant for gold but it’s worked every time I’ve used it on gold so I’m going to keep doing it. Dialux polishing compounds are made in France and make me feel like I’m a lot cooler than I am because of the French writing all over the block.
The whole polishing thing is fairly straight forward but like most jewellery related processes, it requires some practice to get right. Polishing compound is pretty much sandpaper but in grease form. If that doesn’t make any sense to you, don’t worry, because I don’t understand it either. All I know is that if I make the mop covered in it spin and rub it on the metal it gets shiny eventually.
Normally I’ll do this a few times, with some washing in hot water and rubbing with a microfiber cloth in between. This isn’t really necessary but I feel like it makes the polish just that little bit brighter.
Once all this is done, the rings end up looking like this:
Not the best photo I’ve ever taken, but you can see how reflective the rings are. The gap between the wooden planks is reflected quite clearly in Evanescence, and the sun reflecting off the Eye of Horus has to be edited down in Photoshop because it blows out the whole image.
Thanks for reading this little article about the process I follow to make my rings. All of this is self taught, and I have no official (or unofficial for that matter) training. Although I kinda have no clue what I’m doing, I think they turn out pretty great.