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!

Fluorite and Barite with Coating - Moscona Mine, Spain

Contributed by: Daniel C. Montero
Date: May 6th, 2026
Locality: Moscona Mine, El Pontón de Solís, Corvera de Asturias, Asturias, Spain (See on Mindat)
Size: 6 x 9 cm

Description:
Fluorite and barite of pale fluorescence with a coating of rare sand (calcite???) give it a contrast that makes it really aesthetic.

Originally posted by Daniel C Montero on Nature's Rainbows in 2018.

Fluorescence under longwave UV light.
Fluorescence under longwave UV light.
Fluorescence under midwave UV light.
Fluorescence under midwave UV light.
Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Baryte (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: White
  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: White
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White

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