Facts
- Chemical formula
- (Ca,Mn²⁺)₀.₂(Mn⁴⁺,Mn³⁺)O₂·0.6H₂O
- Crystal system
- Trigonal
- Number of elements
- 4
- IMA status
- Grandfathered
- Type locality
- Le Rancié Mine
- Named after
- Le Rancié Mine
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q2130566