Facts
- Chemical formula
- Cu²⁺₃(Zn,Cu,Mg)₄Ca₂(AsO₄)₆·2H₂O
- Crystal system
- Monoclinic
- Density
- 4.55 g/cm³
- Number of elements
- 7
- IMA status
- Approved
- Type locality
- Tsumeb Mine
- Named after
- Erika Pohl-Ströher
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19833535