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!

Rare Orange Fluorescent Turneaureite from Balmat, New York

Contributed by: Chris Clemens
minID: HPR-2YC
Date: Apr 23rd, 2026
Locality: Empire State No. 4 Mine, Balmat, Fowler, St. Lawrence County, New York, USA (See on Mindat)
Size: 43 x 29 x 76 mm
Weight: 103 g

Description:
This specimen contains grains of orange, fluorescent turneaureite in a non-fluorescent matrix, from the ZCA No. 4 Mine, Balmat, St. Lawrence County, New York. Turneaureite is a rare arsenate-containing member of the apatite group, and shows a bright orange, fluorescent response under shortwave UV.

Originally posted by Chris Clemens on Nature's Rainbows in 2016.

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

Summary of luminescence responses:

Turneaureite (Mindat) (RRUFF)

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

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