Facts
- Chemical formula
- Ca₆(Mn,Mg)Be₄Si₆(O,OH)₂₄
- Crystal system
- Orthorhombic
- Number of elements
- 7
- IMA status
- Grandfathered
- Type locality
- Harstigen mine
- Named after
- Harstigen mine
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3783539