Facts
- Chemical formula
- Mg₆Fe³⁺₂(OH)₁₆Cl₂·4H₂O
- Crystal system
- Hexagonal
- Mohs hardness
- 1.5
- Density
- 2.10 g/cm³
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Sioux County
- Named after
- Iowa
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1070585