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!

Calcite from the Eminence Quarry - Missouri

Contributed by: Mark Cole
Date: Apr 14th, 2026
Locality: Eminence Quarry, Eminence, Shannon County, Missouri, USA (See on Mindat)
Size: 2.5 x 1 x 3 inches
Weight: 6.2 oz

Description:
The calcite fluoresces a beautiful dark pink under MW, more red under SW. The yellow mineral is unknown, likely caliche.

Originally posted by Mark Cole on Nature's Rainbows in 2016.

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

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Red
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red
  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Yellow
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow

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