Deykun@kbin.social to Science Memes@mander.xyz · 2 years ago⌛⌛media.kbin.socialimagemessage-square26linkfedilinkarrow-up11.41Karrow-down119
arrow-up11.39Karrow-down1image⌛⌛media.kbin.socialDeykun@kbin.social to Science Memes@mander.xyz · 2 years agomessage-square26linkfedilink
minus-squareneptune@dmv.sociallinkfedilinkEnglisharrow-up61·2 years 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.