Facts
- Chemical formula
- Na₂(Sb,As)₈S₁₃·2H₂O
- Crystal system
- Monoclinic
- Number of elements
- 6
- IMA status
- Grandfathered
- Type locality
- Pacific Coast Borax Company
- Named after
- James M. Gerstley
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3761314