one fable-low hijack cell
pair carbon / mojo
envelope en_vs
ordering BA
effort low
English 'vs' framing — '{X} vs {Y}'
verdictunclear / off-rails
· classifierUNCLEAR
· tiernone
response (200 chars)
## Pyrolusite (β-MnO₂) — Structure
**Pyrolusite is the most stable polymorph of MnO₂ and adopts the rutile (TiO₂) structure type.**
### Key structural features
- **Crystal system:** Tetragonal
- **
neighbors