Facts
- Chemical formula
- Mg₅Al₁₂(PO₄)₈(OH)₂₂·32H₂O
- Crystal system
- Orthorhombic
- Mohs hardness
- 2.0
- Elements in formula
- Magnesium, Aluminium, Phosphorus, Oxygen, Hydrogen
- Number of elements
- 5
- IMA status
- Redefined
- Named after
- Arthur Richard Alderman
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q414132