Facts
- Chemical formula
- Mn₂AsSbS₅
- Crystal system
- Monoclinic
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Vorontsovskoe gold deposit
- Named after
- Lubor Žák
- Colour
- black
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q92193799