An extracted material that needs to be extracted further.
| Tephra-> Red Bleckblende |
| Aabam, Silver, Calamine and Sanguinite |
| Furnace with ~44 Coke per 1k Red Bleckblende | |||
| Blast Furnace with ~100 Rock Oil per 1k Red Bleckblende | |||
| Blast Furnace with ~32 Fuming Salt per 1k Red Bleckblende |
| Volcanic Ash | Magmum | Cinnabar | Galbinum |