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!

Gypsum var. Selenite - Cathedral Valley, Utah

Contributed by: FMS Admin
Date: May 3rd, 2026
Locality: Cathedral Valley, Wayne County, Utah, USA (See on Mindat)
Size: 7 inches

Description:
I call this Bird of Paradise. A fabulous gypsum specimen photographed in LW. LW is the brightest. MW is dimmer, and SW is even dimmer - but all the same colors.

Originally posted by UV Studio on Nature's Rainbows in 2016.

Fluorescence under longwave UV light.
Fluorescence under longwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Gypsum var. Selenite (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: Yellow

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