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!

Dolomite and Calcite – Lake Dump, Langban, Sweden

Contributed by: Mark Cole
Date: Apr 9th, 2026
Locality: The Lake dump, Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden (See on Mindat)

Description:
Dolomite a pinkish orange, very bright SW. Calcite orange... (H. Green collection)

Originally posted by Mark Cole on Nature's Rainbows in 2018.

Fluorescence under shortwave UV light.
Fluorescence under shortwave UV light.

Summary of luminescence responses:

Dolomite (Mindat) (RRUFF)

  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red
Calcite (Mindat) (RRUFF)
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Orange

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