CONCORD Response Times
0.5 : Roughly 19 seconds
0.6 : Roughly 14 seconds
0.7 : Roughly 10 seconds
0.8 : Roughly 7 seconds
0.9 : and 1.0: Roughly 6 seconds

If you are selling the ore then mine:
1.Kernite
2.Omber
3,Plag

If you are refining and selling the minerals, then mine:
1.Plag
2.Pyro
3.Veld