Facts
- Chemical formula
- (Ca,Cu)₄Fe²⁺₆(AsO₄,SiO₄)₄(OH,O)₈ * 18H₂O
- Crystal system
- Hexagonal
- Number of elements
- 7
- IMA status
- Approved
- Type locality
- Roua mines
- Named after
- Iron
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4017836