Facts
- Chemical formula
- KCa[Al₃Si₃O₁₂] * 5H₂O
- Crystal system
- Triclinic
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Vispi quarry, Pian di Celle volcano
- Named after
- William A. Henderson
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4019906