Fluorescent Mineral Database

Autunite - La Faye Mine, Grury, Issy-l'Evêque, Saône-et-Loire, Bourgogne-Franche-Comté, France

Contributed by: FMS Admin
Date: Mar 9th, 2026
Locality: La Faye Mine, Grury, Charolles, Saône-et-Loire, Bourgogne-Franche-Comté, France (See on Mindat)

Description:
Autunite from France - a classic locality offering spectacular specimens. The closeup SW image below was posted to the Fluorescent Mineral group on Facebook by Gianluca Fortunato and is archived here as an excellent example of this "hot rock". Collection of Gianluca Fortunato?, photo by Bruno Marello.

The other pictures are of another autunite specimen from Autun, France.

Originally posted by Bruno Marello on Nature's Rainbows.

Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light and normal light.
Fluorescence under shortwave UV light and normal light.

Summary of luminescence responses:

Autunite (Mindat) (RRUFF)

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