Facts
- Chemical formula
- Fe(UO₂)(SO₄)₂(H₂O)₅
- Crystal system
- Orthorhombic
- Mohs hardness
- 2.0
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Giveway-Simplot mine, Willi Agatz mine, Jáchymov
- Named after
- Hugo Rietveld
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q28122607