Facts
- Chemical formula
- PbCr₂(CO₃)₂(OH)₄·H₂O
- Crystal system
- Orthorhombic
- Mohs hardness
- 2.0
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Red Lead mine
- Named after
- William Frederick Petterd
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2081236