Ussingite (Unusual Green Fluorescence) and Sodalite - Greenland

Contributed by: Mark Cole
Date: Mar 24th, 2026
Locality: Tunulliarfik Fjord, Ilímaussaq complex, Kujalleq, Greenland (See on Mindat)

Description:
Originally posted by Mark Cole on Nature's Rainbows in 2015.

Fluorescence under shortwave UV light.

Summary of luminescence responses:

Sodalite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Orange

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green