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!

Plumbogummite, Pyromorphite - Yangshuo Mine, Guilin, Guangxi, China

Contributed by: FMS Admin
minID: 0HE-U3A
Date: Feb 21st, 2026
Locality: Yangshuo Mine, Yangshuo Co., Guilin, Guangxi, China (See on Mindat)
Size: 3.2 x 1.6 x 6.8 cm

Description:
Delicate casts of light blue triangular plumbogummite crystals growing over/after decayed hexagonal green pyromorphite crystals, a few of which still remain. Under MW the outer plumbogummite fluoresces blue, the inner white material fluoresces green, and the pyromorphite yellow orange.

Originally posted by Dennis Michael on Nature's Rainbows.

Afterglow after exposure to midwave UV light.
Afterglow after exposure to midwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Plumbogummite (Mindat) (RRUFF)

  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Blue
Pyromorphite (Mindat) (RRUFF)
  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Yellow

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