Today I Learned@lemmy.worldEnglish · 1 年前

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

youtu.be

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

youtu.be

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Today I Learned@lemmy.worldEnglish · 1 年前

https://www.youtube.com/watch?si=mZhQEE2YRdbw7I8o&v=lX128vFCsqo&feature=youtu.be

youtu.be

Video of people making crazy crystal balls

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