@gibmiser to Today I LearnedEnglish • edit-21 month agoTIL: Amazing Process of Cutting Gigantic Volcanic Glass to Make Crystal Ballsyoutu.beexternal-linkmessage-square30arrow-up1265arrow-down19file-text
arrow-up1256arrow-down1external-linkTIL: Amazing Process of Cutting Gigantic Volcanic Glass to Make Crystal Ballsyoutu.be@gibmiser to Today I LearnedEnglish • edit-21 month agomessage-square30file-text
It’s slag.