Facts
- Chemical formula
- Cu₃Se₂
- Crystal system
- Tetragonal
- Mohs hardness
- 3.0
- Density
- 6.70 g/cm³
- Number of elements
- 2
- IMA status
- Grandfathered
- Type locality
- Trogtal quarries, Lautenthal, Las Asperezas mine
- Named after
- Sierra de Umango
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2462291