Okay, I see that I can make Stone turn into Material Stone by going into Doc Jr shop, but how many do I "need" before it can turn into Mineral or Ores that is listed in his shop menu screen?
Edit#1:
Keep in mind, I never gotten to the Mining part before so I don't know for sure which is why I'm asking.
Edit#2:
Nevermind, don't help me with this question I figured it out by myself.