Facts
- Chemical formula
- NaCaCu₅(AsO₄)₄Cl·5H₂O
- Crystal system
- Monoclinic
- Mohs hardness
- 2.8
- Density
- 3.54 g/cm³
- Number of elements
- 7
- IMA status
- Grandfathered
- Type locality
- Jáchymov
- Named after
- lavender
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q780935