Deykun to Science [email protected] • 2 months ago⌛⌛media.kbin.socialimagemessage-square26fedilinkarrow-up11.37Karrow-down120
arrow-up11.35Karrow-down1image⌛⌛media.kbin.socialDeykun to Science [email protected] • 2 months agomessage-square26fedilink
minus-square@[email protected]linkfedilinkEnglish59•2 months agoGood example. Obsidian is apparently 70% silica. Iron is apparently what makes it black in color. If it’s thin enough, it is translucent. If you cool pure silica slowly enough, with impurities to cause seeding, you will get tons of crystals, not a single glass, that won’t be transparent.
Case in point, obsidian.
Good example. Obsidian is apparently 70% silica. Iron is apparently what makes it black in color. If it’s thin enough, it is translucent.
If you cool pure silica slowly enough, with impurities to cause seeding, you will get tons of crystals, not a single glass, that won’t be transparent.