Facts
- Chemical formula
- NaCa(Mn,Fe)(Ti,Nb,Zr)(Si₂O₇)OF
- Crystal system
- Monoclinic
- Elements in formula
- Sodium, Calcium, Manganese, Iron, Titanium, Niobium, Zirconium, Silicon, Oxygen, Fluorine
- Number of elements
- 10
- IMA status
- Approved
- Type locality
- Poudrette quarry
- Named after
- Charles Normand
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3878488