Then you're catering to an unpleasable fan base who will just demand more and more minutia when 95% of the rest of the players will just shrug, mark off the GP value of the component and move on with their lives.
You give a mouse a cookie then he'll want to know in exacting details how much ruby dust is ground from gems of infinite varying qualities, how long it takes to grind, the cost of the ginder, what he can do to grind more efficiently, and timetables for maximum ROI on selling the dust.
This is exactly the kind of thing for a third party product. I highly recommend A Magical Medieval Society: Western Europe, its third edition, but still largely usable.