Veinmine I Breaks 10 blocks per hit. 25 E-Tokens, Veinmine II Breaks 30 blocks per hit 30 E-tokens. Veinmine III Breaks 50 blocks per hit. 40 E-Tokens Veinmine IV Breaks 80 blocks per hit. 60 E-tokens Veinmine V(Max) Breaks 120 blocks per hit. 70 E-tokens.
This would be quite annoying and make the mines clear quicker than they already do. Explosion basically does the job of making your inventory fill without destroying as many blocks-- which is more convenient for us all anyway.