Qol+ grinder not making blue gems!!

[BloodRose2000]

I'm on the center and can't aquire blue gems naturally so when I saw that I could make them in the grinder I was pleased only to find out that the grinder won't make them even with all the necessary resources in the grinder why is this?

[cyberangel67]

Mod is abandoned, check out Cybers Structures that has everything this has and another 200+ structures