Fluorescent Mineral Database

A new secret project! Trying to create a nice Fluorescent Mineral Database (FMDB), which would be searchable by mineral, locality, and luminescence properties. Also making it easy for people to contribute with their own specimens!

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.
Fluorescence under shortwave UV light.
Afterglow after exposure to shortwave UV light.
Afterglow after exposure to shortwave UV light.
Normal 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

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