Fluorescent Mineral Database

Polylithionite, with tugtupite and analcime, on albite - Greenland

Contributed by: Mark Cole
Date: Mar 26th, 2026
Locality: Taseq Slope, Ilímaussaq complex, Kujalleq, Greenland (See on Mindat)

Description:
A solid book of bright yellow fluorescing polylithionite. The matrix is albite (dull red) with a few spots of bright red tugtupite. The blue fluorescence has been tentatively identified as analcime.

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

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

Summary of luminescence responses:

Albite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red
Polylithionite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow
Analcime (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue
Tugtupite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red

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