Facts
- Chemical formula
- Pb₃Ca₃[AsV₁₂O₄₀(VO)]*₂₀H₂O
- Crystal system
- Trigonal
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Packrat mine, Gateway
- Named after
- James F. Keggin
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q24254450