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!

Delicately Bladed Calcite Crystals - China

Contributed by: Mark Cole
Date: Apr 14th, 2026
Locality: Hubei, China (See on Mindat)

Description:
Thin, transparent bladed crystals of calcite perched on matrix. Equally fluorescent shortwave or midwave. Locality given as Hubei.

SW fluorescent picture was taken at ISO-100, f/11 for 6 seconds.

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

Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.
Normal light.
Normal light.
Normal light. Side 2.
Normal light. Side 2.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

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

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