Impressive.
Impressive.


Impressive.
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Where’s my transparent aluminum?!?
Would ya look at that. I hadn’t a clue. Thanks!
Stuff like Gorilla Glass and Apple's "sapphire" glass used on smartphone screens are also compounds of aluminum. You're very likely carrying transparent aluminum in your pocket right now and didn't even know it.
Yup here's a reddit post from 4yrs ago on it https://www.reddit.com/r/interestingasfuck/comments/kfpmnn/aluminium_oxynitride_aka_alon_is_the_real_world/
I'm pretty sure it is actually a thing that can be made. Presumably not very efficiently though as we don't see it all that much.
sapphire?
Came for this, thanks for doing it for me.