Facts
- Chemical formula
- (NH₄,K,Pb)₈NaFe²⁺₄(SO₄)₅Cl₈
- Crystal system
- Orthorhombic
- Number of elements
- 9
- IMA status
- Approved
- Type locality
- La Fossa crater
- Named after
- Arges
- Colour
- brown
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19717059