Facts
- Chemical formula
- K₂Na(Nb,Ti)₄(Si₄O₁₂)₂(OH,O)₄·5H₂O
- Crystal system
- Monoclinic
- Number of elements
- 7
- IMA status
- Approved
- Type locality
- Poudrette quarry
- Named after
- Sodium
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19841389