Facts
- Chemical formula
- CaCu₄(SO₄)₂(OH)₆·3H₂O
- Crystal system
- Monoclinic
- Mohs hardness
- 2.5
- Number of elements
- 5
- IMA status
- Approved
- Named after
- Henri Étienne Sainte-Claire Deville
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2238642