Facts
- Chemical formula
- Pb₂₁Cu₂₀Cl₄₂(OH)₄₀·6H₂O
- Mohs hardness
- 2.5
- Density
- 4.66 g/cm³
- Number of elements
- 5
- IMA status
- Renamed
- Type locality
- El Boleo
- Named after
- Édouard Cumenge
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1143781