Facts
- Chemical formula
- Na₀.₅(Al,Mg)₂(F,OH)₆·H₂O
- Crystal system
- Cubic
- Mohs hardness
- 4.5
- Number of elements
- 6
- IMA status
- Renamed
- Type locality
- Ivigtuut cryolite deposit
- Named after
- vacancy
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3929821