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!

Selenite in Chalcedony - Crawford, Nebraska

Contributed by: FMS Admin
Date: Mar 14th, 2026
Locality: Crawford, Dawes County, Nebraska, 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:

Chalcedony (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Green
Gypsum var. Selenite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Orange

FMDB Home Page
Submit a new specimen!
My Collection