Use the MFR Laser Drill (way OP in an awesome way for sure)? Always wonder what laser focus to use to get what you want? Take a look here for the answer. :
Ep22 Fluid Laser Drill - Minecraft All The Mods 6 To the Sky Modpack - YouTube
Best Way To Get Ores??? Laser Drills - ATM7 Ep32 - YouTube
Everything you need to know about laser drill efficiency (and an updated FRESCO for 1.6.4) : r/feedthebeast