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!

Multi-Response Calcite - Coahuila, Mexico

Contributed by: Mark Cole
Date: Mar 27th, 2026
Locality: San Vicente Mine, Boquillas Del Carmen, Ocampo Municipality, Coahuila, Mexico (See on Mindat)

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

Fluorescence under longwave UV light.
Fluorescence under longwave UV light.
Fluorescence under midwave UV light.
Fluorescence under midwave UV light.
Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Afterglow after exposure to shortwave UV light.
Afterglow after exposure to shortwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: Pink
  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Pink
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Blue
  • Afterglow after exposure to Shortwave (254nm Lamp/Mercury) UV light: Blue

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