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!

Sodalite and twinned albite, Norway

Contributed by: FMS Admin
Date: Nov 14th, 2025
Locality: Sagåsen Quarry, Sagåsen, Auenlandet, Porsgrunn, Telemark, Norway (See on Mindat)

Description:
Sodalite and albite, Sagåsen Quarry, Auenlandet, Porsgrunn, Vestfold og Telemark, Norway. Bluish green fluorescence of the sodalite @275 nm. The albite present shows a nice albite twinning (lamellae at the right and bottom).

Originally posted by groensteenfreterke on Nature’s Rainbow.

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

Summary of luminescence responses:

Sodalite (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: Orange
  • Fluorescence under 275nm LED UV light: Green
Albite (Mindat) (RRUFF)
  • Fluorescence under 275nm LED UV light: Red