Facts
- Chemical formula
- BaCa₄Si₁₆O₃₆(OH)₂·10H₂O
- Crystal system
- Orthorhombic
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Esquire no. 1 claim, Esquire No. 7 claim, Big Creek
- Named after
- Gordon A. MacDonald
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q411794