My tips for mining beginners:
Chisel mining.
You’ll need nearly no power nor expensive tools just stone chisels.
The chisel doesn’t care about the blocks armor.
Just use an Iron hammer for Seams.
Speed (Dexterity stat) and reach (Control stat) however will help you a ton !
Chisel-tunneling:
Chiseling down/up/sides
The name of the game is simple.
Uncover as many blocks as fast as possible and of course praise Rngsus or Lootsifer if you prefer.
Happy mining 