Facts
- Chemical formula
- (Fe³⁺,Fe²⁺,Zn)₁₂(AsO₃)₆(AsO₃,HSiO₄)₂(OH)₆
- Crystal system
- Hexagonal
- Mohs hardness
- 3.0
- Density
- 4.06 g/cm³
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Tsumeb Mine
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3720814