gibmiser@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-21 month agoTIL: Amazing Process of Cutting Gigantic Volcanic Glass to Make Crystal Ballsyoutu.beexternal-linkmessage-square30fedilinkarrow-up1265arrow-down19file-text
arrow-up1256arrow-down1external-linkTIL: Amazing Process of Cutting Gigantic Volcanic Glass to Make Crystal Ballsyoutu.begibmiser@lemmy.world to Today I Learned@lemmy.worldEnglish · edit-21 month agomessage-square30fedilinkfile-text
minus-squareGigasser@lemmy.worldlinkfedilinkEnglisharrow-up24·1 month agoDoes volcanic glass really look like that? Perhaps it’s just glass slag from a factory.
minus-squareKyrgizion@lemmy.worldlinkfedilinkEnglisharrow-up3·1 month agoThe only type of (natural) volcanic glass found in appreciable quantities is obsidian. I don’t know of any others at all.
Does volcanic glass really look like that? Perhaps it’s just glass slag from a factory.
It’s slag.
The only type of (natural) volcanic glass found in appreciable quantities is obsidian. I don’t know of any others at all.