*Crawls out of my hole of internet silence*
Ohh this is an awesome graphic! I also know a bit about this so let me elaborate on some fun shit here! Being a stained glass artist this is absolutely my jam!
Neodymium is a fun (and infuriating) one to work with. It will change color based on lighting, which makes it really lovely but absolutely a pain in the tail to photograph because of this. Like, say, if you're trying to photograph a Twilight Sparkle stained glass you made. Ahem... Anyhow, it will appear drastically different under sunlight vs under fluorescent light vs incandescent. The wikipedia article for Neodymium has a great graphic showing this:
Source: https://en.wikipedia.org/wiki/Neodymium
Not sure why but the above graphic omitted silver (Ag). When you use silver in glass you get... gold. Quite literally! It'll make rich yellows and earth tones. Sometimes you'll get whats called "metaling" from it, which is this reflective silver/gold look in places until you put it up to the light and it's all warm yellows. Here's some examples from my favorite glassmaker, Fremont Stained Glass, showing the milky silverish metaling streaks in addition to the normal silver ambers which turns all ambers in sunlight:
Source: Fremont's sales page- https://fremontantiqueglass.com/products/full-sheet-s3-287
And a video of it in action:
https://www.instagram.com/fremont_antique_glass/reel/C-dbOp6yIWO/?hl=en
If you use silver as a stain you basically mix a powder suspension of silver nitrate particles in water to get a "paint" and when painted on glass, fired, then wiped off, it leaves an amber yellow stain on the glass, like so:
Source: Sasha Ward- https://www.sashaward.co.uk/blog/2023/5/10/silverstain
And lastly, there's the UV glasses: Uranium, Cadmium, selenium and Manganese. They're a whole lot of fun! They fluoresce under blacklight (or sometimes in bright sunlight). This makes them a favorite of glass collectors and easy to find since you just take a pocket blacklight with you when you go antique collecting.
Uranium glows yellows and greens and yes it is very slightly radioactive (but safe):
Source: https://en.wikipedia.org/wiki/Uranium_glass
Here's a video of it in action, courtesy again of Fremont Antique Glass: https://www.instagram.com/fremont_antique_glass/reel/C3k4tgIRi3t/?hl=en
Cadmium glass (made with cadmium sulfide or cadmium selenide) and selenium fluoresces as oranges, reds and yellows:
Source: https://www.thebutterflybabe.com/about-uv-glass
And Manganese, Green:
Source: https://www.thebutterflybabe.com/about-uv-glass
While writing this up, I discovered my beloved (hated [said fondly]) Neodymium glass is apparently also a UV glass! Now I have to go pull out some of my sheets of Neodymium and put a blacklight on them to see what happens!
Neodymium:
Source: https://www.thebutterflybabe.com/about-uv-glass
There's even more at the links in the sources. The Butterfly Babe page shows a lot more than I'm familiar with and it's absolutely fascinating. Have fun falling down a rabbit hole with those! It's a joy.
Before I go, I'd like to give a shout out to Fremont Antique Glass, whom I referenced several places above. Please do give them a follow! Traditional mouth blown sheet glass (Antique glass) is only made by a small handful of people (Three masters left in the world at last I heard) and is a heritage craft. It's an amazing craft and Fremont is the only one here in the US that makes this and they deserve all the love and follows, so please check them out!
Instagram: https://www.instagram.com/fremont_antique_glass/
Website: https://fremontantiqueglass.com/
Thank you for letting me gush about one of my favorite topics and enjoy the beautiful glass!
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