Facts
- Chemical formula
- Na₅Zr₂(Si₆O₁₈)(Cl,OH) * 2H₂O
- Crystal system
- Monoclinic
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Poudrette quarry
- Named after
- Peter Tarassoff
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3900787