Facts
- Chemical formula
- Ca₂MgAl₂(Si₂O₇)(SiO₄)(OH)₂ * H₂O
- Crystal system
- Monoclinic
- Number of elements
- 6
- IMA status
- Renamed
- Type locality
- Keweenaw County
- Named after
- pumpellyite
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3925563