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!

Hydrozincite, Smithsonite - Hermosa Mine, Spain

Contributed by: Daniel C. Montero
minID: H2N-0HK
Date: May 5th, 2026
Locality: Hermosa Mine, Sel del Haya, Cobijón, Udías, Cantabria, Spain (See on Mindat)
Size: 42 x 23 x 74 mm

Description:
Hydrozincite and smithsonite from the Hermosa Mine, Sel de Haya, Cobijón, Udías, Cantabria, Spain. Hydrozincite has an intense light blue fluorescence and smithsonite is dark blue creating a wild contrast!

Originally posted by Daniel C Montero on Nature's Rainbows in 2021.

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

Summary of luminescence responses:

Hemimorphite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue
Smithsonite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue

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