Facts
- Chemical formula
- Ca₂Al₇(PO₄)₂(PO₃OH)₂(OH,F)₁₅·8H₂O
- Crystal system
- Trigonal
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Silver Coin mine, Huber stock
- Named after
- Ian E. Grey
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19860829