Deykun@kbin.social to Science Memes@mander.xyz · 7 months ago⌛⌛media.kbin.socialimagemessage-square26fedilinkarrow-up11.4Karrow-down120
arrow-up11.38Karrow-down1image⌛⌛media.kbin.socialDeykun@kbin.social to Science Memes@mander.xyz · 7 months agomessage-square26fedilink
minus-squareneptune@dmv.sociallinkfedilinkEnglisharrow-up60·7 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.
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.