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!

Powellite from the Granite Pass Tungsten Mine, Little Hatchet Mts, New Mexico

Contributed by: FMS Admin
Date: Mar 14th, 2026
Locality: Granite Pass tungsten prospect, Sylvanite Mining District, Hidalgo County, New Mexico, USA (See on Mindat)

Description:
Originally posted by Paul Garland on Nature's Rainbows.

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

Summary of luminescence responses:

Powellite (Mindat) (RRUFF)

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