Facts
- Chemical formula
- (Na,Ca)V₆O₁₆ * 3H₂O
- Crystal system
- Monoclinic
- Mohs hardness
- 3.0
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Thompsons district
- Named after
- William H. Barnes
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3635067