Fluorescent Mineral Database

Tugtupite, Chkalovite, Beryllite, from Kvanefjeld, Greenland

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

Description:
From the Howie Green collection - a superb example of gem tugtupite, with green fluorescing chkalovite and gray/blue fluorescing beryllite. From the famous gem tugtupite mines on Mt. Kvanefjeld, Ilimaussaq Complex, Greenland

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

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

Summary of luminescence responses:

Beryllite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue
Chkalovite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (255nm LED) UV light: Green
Tugtupite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red

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