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!

Calcite - Santa Eulalia, Chihuahua, Mexico

Contributed by: FMS Admin
Date: Feb 22nd, 2026
Locality: Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico (See on Mindat)
Size: 46 x 26 x 64 mm

Description:
Flowery colorless sprays of calcite crystals on matrix fluorescing SW violet (second generation) and orange (first generation). Specific locale unknown.

Originally posted by Dennis Michael on Nature's Rainbows.

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

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

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

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