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!

Hydroxlyherderite Crystals - Pakistan

Contributed by: Mark Cole
Date: Apr 7th, 2026
Locality: Sassi, Gilgit District, Gilgit-Baltistan, Pakistan (See on Mindat)

Description:
Sassi, Gilgit-Baltistan (Northern Areas), Pakistan - Shown under shortwave UV, equally fluorescent all wavelengths.

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

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

Summary of luminescence responses:

Hydroxylherderite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue

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