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!

Barite on Calcite - Italy

Contributed by: Mark Cole
Date: Mar 11th, 2026
Locality: Muscadroxius-Genna Tres Montis Mine, Silius, South Sardinia Province, Sardinia, Italy (See on Mindat)

Description:
Old-time specimen from Sicily - simply amazing. Sadly, I only have this SW picture.

Originally posted by Mark Cole on Nature's Rainbows.

Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.

Summary of luminescence responses:

Baryte (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White
Calcite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red

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