Facts
- Chemical formula
- Mn²⁺Fe³⁺₂(PO₄)₂(OH)₂ * 4H₂O
- Crystal system
- Monoclinic
- Elements in formula
- Manganese, Iron, Phosphorus, Oxygen, Hydrogen
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Foote Lithium Co. mine
- Named after
- Earl V. Shannon
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q11500432