Facts
- Chemical formula
- K₂Cu₃(SO₄)₃O
- Crystal system
- Monoclinic
- Mohs hardness
- 2.5
- Density
- 3.01 g/cm³
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Great Fissure eruption
- Colour
- green
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3742002