Facts
- Chemical formula
- Be₂Mn²⁺Fe³⁺₂(PO₄)₄·6H₂O
- Crystal system
- Hexagonal
- Number of elements
- 6
- IMA status
- Grandfathered
- Type locality
- Sapucaia mine
- Named after
- Joseph J. Fahey
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3738375