What will we be mining from asteroids?

Question: What will we be mining from asteroids?
- Keywords:
  asteroid,
  mining,
  space
Asked by Messiah to Alison on 5 Nov 2018.
- Alison Dufresne answered on 5 Nov 2018:
  
  In time, we’ll be mining all sorts from asteroids! You’ve probably heard of the flasher ideas of mining precious metals (platinum, gold etc) but, to begin with, we’re going to focus on what we need to survive – water/comets. When we have a thriving off world colonies we can start going after the shinier ones!

Question: What will we be mining from asteroids?