Facts
- Chemical formula
- (Ca,K,Ba,Na)₃-₄Mn₂₄(Si,Al)₄₀(O,OH)₁₁₂·nH₂O
- Crystal system
- Monoclinic
- Elements in formula
- Calcium, Potassium, Barium, Sodium, Manganese, Silicon, Aluminium, Oxygen, Hydrogen
- Number of elements
- 9
- IMA status
- Approved
- Type locality
- Shiromaru mine
- Named after
- Tama River
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3980549