Facts
- Chemical formula
- Fe²⁺Fe³⁺₄(PO₄)₃(OH)₅
- Elements in formula
- Iron, Phosphorus, Oxygen, Hydrogen
- Number of elements
- 4
- IMA status
- Grandfathered
- Named after
- Rockbridge County
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3939761
Minerals named after this one · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Ferrirockbridgeite | (Fe³⁺₀.₆₇☐₀.₃₃)₂(Fe³⁺)₃(PO₄)₃(OH)₄(H₂O) | Orthorhombic | — | — |