Facts
- Chemical formula
- Na₁₅Ca₆(Fe,Mn)₃Zr₃NbSi₂₅O₇₃(O,OH,H₂O)₃Cl₂
- Crystal system
- Trigonal
- Elements in formula
- Sodium, Calcium, Iron, Manganese, Zirconium, Niobium, Silicon, Oxygen, Hydrogen, Chlorine
- Number of elements
- 10
- IMA status
- Approved
- Type locality
- Poudrette quarry
- Named after
- iron(II)
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3743246