Facts
- Chemical formula
- Mn²⁺(Nb,Ti)₅O₁₂·9H₂O
- Crystal system
- Amorphous
- Number of elements
- 5
- IMA status
- Grandfathered
- Type locality
- Mount Malyi Punkaruaiv
- Named after
- Vasilii I. Gerasimovsky
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3760972