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!

Fossilized Clam (Calcite) from Ruck's Pit, South Florida

Contributed by: Mark Cole
Date: Mar 27th, 2026
Locality: Rucks\' Pit, Fort Drum, Okeechobee County, Florida, USA (See on Mindat)

Description:
Similar fluorescence LW and SW. Phosphorescent after exposure to LW and SW (not shown).

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:

Calcite (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: White
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White
Fossil (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: White

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