By Dirk (11/07/2022) NOTE: These data were collected after the recent updadte to mining imbue that happend a month or two ago.
Here are data on the bonus to max quality ore from rarity and [[Potion_of_mining|mining imbue]] and how it changes with skill. The bonus to your max ql seems to decrease as your skill increases. You can use the formulas below to calulate what skill you need to get the ore you want or vise versa by solving : -Plug in any mining skill for x or y, or just plot X and solve for Y to get the data yourselfmax ore ql. -Plug in any max ore ql for Y and solve for X to get the skill you would need to obtain that max ql ore. I'm not sure if it's relevant but my pickaxe skill was always 1-2 points above my mining skill when these data were collected.
1) Using a supreme pickaxe with 100 mining imbue: