Facts
- Chemical formula
- (Na,Ca,Sr)₁₂(Mn²⁺,Fe³⁺,Al,Mg)₈Mn₄+₈(VO₄)₁₆(OH,O)₂₀ * 8H₂O
- Crystal system
- Orthorhombic
- Elements in formula
- Sodium, Calcium, Strontium, Manganese, Iron, Aluminium, Magnesium, Vanadium, Oxygen, Hydrogen
- Number of elements
- 10
- IMA status
- Grandfathered
- Named after
- Atchison, Topeka and Santa Fe Railway
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3949276