Facts
- Chemical formula
- Ca₅(AsO₃OH)₂(AsO₄)₂·9H₂O
- Crystal system
- Triclinic
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Mount Neuenberg silver mines
- Named after
- Giovanni Ferraris
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3743140