Facts
- Chemical formula
- Al₂(Se⁴⁺O₃)₃·6H₂O
- Crystal system
- Hexagonal
- Mohs hardness
- 2.5
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- El Dragón mine
- Named after
- Alfredo Petrov
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q21484493