Facts
- Chemical formula
- Na(NaCa)Mg₅Si₈O₂₂F₂
- Crystal system
- Monoclinic
- Mohs hardness
- 5.5
- Number of elements
- 6
- IMA status
- Redefined
- Type locality
- Ilmen Nature Reserve
- Named after
- Fluorine
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1071200