Creedite Crystals - Kazakhstan

Contributed by: Mark Cole
Date: Mar 17th, 2026
Locality: Akchatau Mine, Akshatau (Aqshatau), Shet District, Karaganda Region, Kazakhstan (See on Mindat)

Description:
Sharp purple crystals of creedite from Akchatau, Kazakhstan. The creedite fluoresces bluish white under SW light with afterglow of the same color.

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

Fluorescence under shortwave UV light.

Afterglow after exposure to shortwave UV light.

Normal light.

Summary of luminescence responses:

Creedite (Mindat) (RRUFF)

• Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White
• Afterglow after exposure to Shortwave (254nm Lamp/Mercury) UV light: White