Facts
- Chemical formula
- Ca(AsO₃OH)
- Crystal system
- Triclinic
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Mount Neuenberg silver mines, Wittichen, Schneeberg ore district
- Named after
- René Weil
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4018794