Facts
- Chemical formula
- (Ca,Na)₂(Al,Mg,Fe²⁺)(Si₂O₇)
- Crystal system
- Tetragonal
- Number of elements
- 7
- IMA status
- Approved
- Type locality
- Ol Doinyo Lengai
- Named after
- Aluminium
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19772088