Facts
- Chemical formula
- Cu₃PbO(AsO₃OH)₂(OH)₂
- Crystal system
- Monoclinic
- Mohs hardness
- 4.5
- Number of elements
- 5
- IMA status
- Grandfathered
- Type locality
- Penberthy Croft Mine
- Named after
- John Bayldon
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q421461