Today I Learned@lemmy.worldEnglish · 4 months ago

TIL: Amazing Process of Cutting Gigantic Volcanic Glass to Make Crystal Balls

youtu.be

TIL: Amazing Process of Cutting Gigantic Volcanic Glass to Make Crystal Balls

youtu.be

gibmiser@lemmy.world to

Today I Learned@lemmy.worldEnglish · 4 months ago

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Video of people making crazy crystal balls

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Gigasser@lemmy.world
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4 months ago
Does volcanic glass really look like that? Perhaps it’s just glass slag from a factory.
- Plum@lemmy.world
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  4 months ago
  It’s slag.

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