montroyalite

English

Etymology

Named for type locality Mount Royal in Montreal, where the mineral was discovered, +‎ -ite.

Noun

montroyalite (uncountable)

1. a whitish brittle translucent fibrous crystalline mineral with the empirical chemical formula Sr₄Al₈(CO₃)₃(OH)₁₃F₁₂•10.5(H₂O)

Further reading

• David Barthelmy (1997–2025) “Montroyalite”, in Webmineral Mineralogy Database.
• “montroyalite”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2025.