Taseq Tugtupite on Analcime - Taseq Slope, Ilimaussaq Complex, Greenland
Contributed by: Mark Cole
Date: Apr 3rd, 2026
Locality: Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland (See on Mindat)
Description:
This material was the first major discovery of fluorescent tugtupite outside of the famous Kvanefjeld tugtupite mines. Prior to 2001 only gem tugtupite from the mines was well known.
Originally posted by Mark Cole on Nature's Rainbows in 2016.
Summary of luminescence responses:
Tugtupite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red


