Facts
- Chemical formula
- Cu₅FeS₄
- Crystal system
- Orthorhombic
- Mohs hardness
- 3.0
- Density
- 5.10 g/cm³
- Number of elements
- 3
- IMA status
- Approved
- Type locality
- Jáchymov
- Named after
- Ignaz von Born
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q108694