Facts
- Chemical formula
- NaCu₄(AsO₄)₃
- Crystal system
- Monoclinic
- Mohs hardness
- 3.0
- Density
- 4.55 g/cm³
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Second scoria cone
- Named after
- Hans Bradaczek
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q16020532