Facts
- Chemical formula
- Fe²⁺Fe³⁺₂(PO₄)₂(OH)₂ * 4H₂O
- Crystal system
- Monoclinic
- Mohs hardness
- 3.0
- Elements in formula
- Iron, Phosphorus, Oxygen, Hydrogen
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Palermo No. 1 mine
- Named after
- Robert Whitmore
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4019573