Facts
- Chemical formula
- (Na,Ca,K)₈(Si₆Al₆O₂₄)(SO₄)₂(OH)₀.₅·H₂O
- Crystal system
- Trigonal
- Number of elements
- 8
- IMA status
- Approved
- Type locality
- Sacrofano caldera
- Named after
- Biachella valley
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19810673