Facts
- Chemical formula
- SrAlF₄(OH)·H₂O
- Crystal system
- Monoclinic
- Mohs hardness
- 3.5
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Ivigtuut cryolite deposit
- Named after
- spearhead
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q344688