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!

Villiaumite, with Sodalite and Epistolite - Greenland

Contributed by: Mark Cole
Date: Apr 15th, 2026
Locality: Ilímaussaq complex, Kujalleq, Greenland (See on Mindat)

Description:
Villiaumite is water soluble and difficult to find in well-crystallized specimens such as this...

Originally posted by Mark Cole on Nature's Rainbows in 2016.

Fluorescence under longwave and shortwave UV light.
Fluorescence under longwave and shortwave UV light.
Normal light.
Normal light.
Normal light. Specimen size image compared to a US dollar bill.
Normal light. Specimen size image compared to a US dollar bill.
Normal light. Closeup
Normal light. Closeup

Summary of luminescence responses:

Villiaumite (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: Red
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red
Sodalite (Mindat) (RRUFF)
  • Fluorescence under Longwave (365nm LED) UV light: Orange
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Orange

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