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 - Purple Passion Mine, Arizona

Contributed by: FMS Admin
Date: Feb 22nd, 2026
Locality: Purple Passion Mine, Morgan Butte, Big Bug Mining District, Bradshaw Mountains (Bradshaw Range), Yavapai County, Arizona, USA (See on Mindat)
Size: 4.2 x 3.8 x 7.8 cm

Description:
A piece of calcite from Purple Passion displaying SW violet and orange fluorescence.

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 (255nm LED) UV light: Red

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