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.

Normal light.

Summary of luminescence responses:

Hydroxylherderite (Mindat) (RRUFF)

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