The texture of obsidian is best described as glassy.Why does obsidian contain few or no mineral grains? by the way I put it unde

Question

pishuonlain [190]

3 years ago

15

The texture of obsidian is best described as glassy.Why does obsidian contain few or no mineral grains? by the way I put it unde

r physics because that's what it's labeled as on my side.

Physics

1 answer:

Brrunno [24] · Answer 1 · 2022-05-06T23:47:09+03:00

Brrunno [24]3 years ago

4 0

hi, so the material that would normally form mineral crystals does not have time to form a crystalline structure because of very rapid cooling after volcanically erupting into the air or onto the surface. Obsidian is a volcanic glass.