Facts
- Chemical formula
- (Na,Ca)₃(Mn²⁺,Fe²⁺)₃(Ti,Zr,Nb)₂(Si₂O₇)₂O₂(OH,F)₂
- Crystal system
- Monoclinic
- Elements in formula
- Sodium, Calcium, Manganese, Iron, Titanium, Zirconium, Niobium, Silicon, Oxygen, Hydrogen, Fluorine
- Number of elements
- 11
- IMA status
- Approved
- Type locality
- Gjerdingselva outcrops
- Named after
- Jan Haug
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3807038