Facts
- Chemical formula
- (Zn,Al)₃(Si,Al)₂O₅(OH)₄
- Crystal system
- Monoclinic
- Number of elements
- 5
- IMA status
- Grandfathered
- Type locality
- Kelmis, Sterling Hill, East Kazakhstan Region
- Named after
- Julien Fraipont
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2252335