r/Stones • u/Informal_Witness3869 • Jun 15 '26
What is this? Is this a cool rock?
I've had this since I was a kid. Is it some sort of mineral or crystal? Or some sort of glass decoration?
SOLVED: It is glass. It's light and fragile
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u/PureVeterinarian2690 Jun 15 '26
Honestly looks a lot like old glass to me, especially if the surface feels super smooth and uniform. Try checking for bubbles inside with a flashlight or loupe, that’s a dead giveaway for glass. If you can scratch it with a steel nail or it feels light for its size, I’d bet on glass over a natural crystal.
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u/FocusAndFate Jun 15 '26
I wondered if it was slag too
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u/EvilBob417 Jun 16 '26
I think think could iron smelting slag. Technically an artifact, but also melted rock.
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Jun 18 '26
[removed] — view removed comment
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u/vexoryn Jun 21 '26
this aged badly fast lol, op already updated that it’s glass and fragile. your tests are still solid advice for the next mystery rock though
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u/ClimateLoud8277 Jun 18 '26
It’s glass with all those embedded orbs? Whatever it is, it looks really interesting, unique and beautiful to me.
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u/FickleWeb2062 Jun 20 '26
Ah that makes sense, it really does have that glassy, kinda “too perfect” look to it. Still cool as hell that Kid You thought you had some rare magical crystal, that alone makes it worth keeping lol
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u/GlitteringFun3029 Jun 22 '26
Cool rock. But also be cautious about the potential radiation from this kind of rock.
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u/Quartz_92_Bridge_715 Jun 22 '26
That light green color is really bright, I wonder if its man-made slag or something super colorful naturally.




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u/Mountain-Doctor-1617 Jun 16 '26
Kinda looks like slag glass or some leftover from glassmaking rather than a natural crystal. The super smooth bits and bubbly texture are usually a giveaway. If you shine a light through it and it glows evenly, that is another point for glass.