Facts
- Chemical formula
- Ba₂₁Ca(Fe²⁺,Mn,Ti)₄(Ti,Fe,Mg)₁₂(Si₁₂O₃₆)(Si₂O₇)₆(O,OH)₃₀Cl₆·14H₂O
- Crystal system
- Hexagonal
- Elements in formula
- Barium, Calcium, Iron, Manganese, Titanium, Magnesium, Silicon, Oxygen, Hydrogen, Chlorine
- Number of elements
- 10
- IMA status
- Approved
- Type locality
- Esquire no. 1 claim
- Named after
- John Boardman Trask
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3997749