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 Calcite from the Huanggang deposit, China

Contributed by: FMS Admin
Date: Mar 7th, 2026
Locality: No. 6 Mine, Huanggang Fe-Sn deposit, Hexigten Banner (Keshiketeng Co.), Chifeng City (Ulanhad League; Chifeng Prefecture), Inner Mongolia, China (See on Mindat)

Description:
Calcite and fluorite, fluorescent red and blue under longwave UV light.

Originally published by Wish Wang on Nature’s Rainbows.

Fluorescence under longwave UV light.
Fluorescence under longwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

  • Fluorescence under Longwave (365nm LED) UV light: Red
Fluorite (Mindat) (RRUFF)
  • Fluorescence under Longwave (365nm LED) UV light: Blue

FMDB Home Page
Submit a new specimen!
My Collection