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!

Fluorapatite on Calcite - Bear Lake, Bancroft, Canada

Contributed by: Mark Cole
Date: Apr 4th, 2026
Locality: Bear Lake diggings, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada (See on Mindat)

Description:
Shown under SW and MW. Interestingly, very similar material from Otter Lake is not fluorescent.

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

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

Summary of luminescence responses:

Fluorapatite (Mindat) (RRUFF)

  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Blue
Calcite (Mindat) (RRUFF)
  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Red