Facts
- Chemical formula
- (Pb,Ba,K)₄(Ca,Y)₂(B,Be)₂(Si,B)₂Si₈O₂₈(F,Cl)
- Crystal system
- Triclinic
- Elements in formula
- Lead, Barium, Potassium, Calcium, Yttrium, Boron, Beryllium, Silicon, Oxygen, Fluorine, Chlorine
- Number of elements
- 11
- IMA status
- Grandfathered
- Type locality
- Långban
- Named after
- fusibility
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3787764