As with other forms of obsidian, rainbow obsidian is both rock and glass. However, this isn’t the same kind of glass that’s used in your nice new French doors.

Is rainbow obsidian rock or glass? As with other forms of obsidian, rainbow obsidian is both rock and glass. However, this isn’t the same kind of glass that’s used in your nice new French doors.

As simple pleasures are gay and hiking is gay, it feels easy to declare that the sport of rockhounding is also a gay activity ...

The rock crystals were likely brought to the site from a source more than 80 miles (130 kilometers) away, ... splitting white light into a visible rainbow spectrum. Image 1 of 3.