Facts
- Chemical formula
- {KNa}{Fe²⁺☐}{Ca}{Na₂☐}{Fe²⁺₁₃}{Al}(PO₄)₁₁(HPO₄)(OH)₂
- Crystal system
- Monoclinic
- Number of elements
- 8
- IMA status
- Renamed
- Type locality
- Keystone, Serra Branca pegmatite
- Named after
- Potassium
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3623861