Rara Terra Smelting is an Arizona based lanthanide refinery that Dr. Kerzach worked the night shift at. While its size and location has never been specifically pinpointed, it is known that the refinery complex itself is quite large and it is several hundred miles away from Pelvanida
- Survival of the Fittest (mentioned only)
- Fool's Gold
- Disruptive Selection (mentioned only)
- "Rara Terra" means "rare earth" in Latin. It is rather appropriate given that the lanthanides were once called "rare earth elements" and the company processes lanthanides
- Their logo is an "R" superimposed over a "T".