Facts
- Chemical formula
- (Na,☐)₂Ca(Ti,Mg,Nb)₄[Si₂O₇]₂O₂(OH,O)₂(H₂O)₄
- Crystal system
- Triclinic
- Number of elements
- 8
- IMA status
- Redefined
- Type locality
- Mount Selsurt
- Named after
- Calcium
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q20830025