Craft stations like S+ Auto Crafter, AA Smithicator and AA Auto Crafter produce items called "Green Gem x1", "Blue Gem x1" and "Red Gem x1". These items aren't functional, and disappear if the station they're stored in is used. Interestingly enough, Element Ore does work. I imagine this has something to do with the x1 in the recipe name.

Obviously this isn't _your_ problem, per se, but I'm just curious to know if it's something that you can/could fix easily.