Apatite on Sodalite - Ilimaussaq Complex, Greenland

Contributed by: Mark Cole
Date: Mar 30th, 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 midwave UV light.

Fluorescence under shortwave UV light.

Tenebrescence after exposure to shortwave UV light.

Normal light.

Summary of luminescence responses:

Fluorapatite (Mindat) (RRUFF)

• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Blue

• Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Orange
• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red