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!

Fluorite and Celestine - Clay Center, Ohio

Contributed by: Mark Cole
Date: Mar 16th, 2026
Locality: Clay Center, Allen Township, Ottawa County, Ohio, USA (See on Mindat)

Description:
Brown fluorite fluoresces white under SW light. Celestine fluoresces blue.

Originally posted by Mark Cole on Nature's Rainbows in 2015.

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

Summary of luminescence responses:

Celestine (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue
Fluorite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White

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