Natrolite from Mt. St. Hilaire, Canada

Contributed by: Axel Emmermann
Date: Jan 20th, 2025
Locality: Mont Saint-Hilaire, La Vallée-du-Richelieu RCM, Montérégie, Québec, Canada (See on Mindat)

Description:
Has anyone ever seen the scary horned natrolite from MSH? Some uranyl lights up the party...

Fluorescence under shortwave UV light.

Normal light.

Summary of luminescence responses:

Natrolite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green