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    Ferrun
| Classification | Lithoid | 
|---|---|
| Average Lifespan | 300 | 
| Physiology | Silicon-based exoskeletal forms drawing energy from geothermal vents. | 
| Homeworld | Pyrox Minor | 
| Society | Clan hives around magma conduits. | 
| Historical Background | None | 
| Tags | lithoid heat-resistant |