Facts
- Chemical formula
- (Na,K)₆Ca₂(Al₆Si₆O₂₄)(SO₄)₂·2H₂O
- Crystal system
- Trigonal
- Number of elements
- 8
- IMA status
- Approved
- Type locality
- Case Collina
- Named after
- Marco Franzini
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3752212