Glass
If It Is Glass or Glassy, Then It Is Not a Meteorite
These rocks are all obsidian, a volcanic glass. Glass, and some fine-grained crystalline rocks fractures conchoidally. If there are conchoidal fractures, then it is not a meteorite.
These rocks are all obsidian, a volcanic glass. Glass, and some fine-grained crystalline rocks fractures conchoidally. If there are conchoidal fractures, then it is not a meteorite.