Fluorescent Mineral Database

A new secret project! Trying to create a nice Fluorescent Mineral Database (FMDB), which would be searchable by mineral, locality, and luminescence properties. Also making it easy for people to contribute with their own specimens!

Autunite from the Margnac II Mine, France

Contributed by: FMS Admin
minID:
Date: Jan 20th, 2025
Locality: Margnac II Mine, Compreignac, Bellac, Haute-Vienne, Nouvelle-Aquitaine, France (See on Mindat)

Description:
Photo in daylight and UV-LW-Strong yellow-green (LW & SW UV). A secondary mineral resulting from the oxidation of primary uranium minerals in hydrothermal veins, granite pegmatites. Contributed by Marco Frigerio.

Fluorescence under longwave UV light.
Fluorescence under longwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Autunite

  • Fluorescence under Longwave (365nm LED) UV light: Green
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green

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