I thought I had discovered a giant plot hole in Avatar universe, but apparently it's based on a faulty notion.
So, the anti-gravity effect that lifts whole mountains into the sky is unrelated to the unobtanium deposits?
Apparently the value of unobtanium is in its property as a room temperature superconductor, which enables their superluminal drive technology. Unobtanium is found in large deposits underground, which is why they want to mine the ground. OK.
So, these mountains - which...