What is "agrellite"

n. (context mineral English) A mineral with the chemical formula NaCa₂FSi₄O₁₀

Agrellite ( Na Ca Si O F) is a mineral found in Quebec, Canada. It is also known from few other areas.

Agrellite displays pink fluorescence under both shortwave and longwave ultraviolet light.

It is named in honour of Stuart Olof Agrell (1913–1996).