Facts
- Chemical formula
- Na₂Cu(SO₄)₂·2H₂O
- Crystal system
- Monoclinic
- Number of elements
- 5
- IMA status
- Grandfathered
- Type locality
- Chuquicamata
- Named after
- Johannes Berthold Christian Kröhnke
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2251684