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!

Cerussite - Les Dalles Mine, Mibladen, Morocco

Contributed by: FMS Admin
minID: PND-46W
Date: Feb 21st, 2026
Locality: Les Dalles Mine, Mibladen, Aït Oufella Caïdat, Midelt Cercle, Midelt Province, Drâa-Tafilalet Region, Morocco (See on Mindat)
Size: 5 x 4 x 5.2 cm

Description:
Macro photo of a large (18mm) translucent yellow stepped cerussite crystal, perched on blades of pink and yellow barite. In MW the cerussite fluoresces lemon yellow. The FOV is 25mm.

Originally posted by Dennis Michael on Nature's Rainbows.

Fluorescence under midwave UV light.
Fluorescence under midwave UV light.
Normal light.
Normal light.

Summary of luminescence responses:

Cerussite (Mindat) (RRUFF)

  • Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Yellow
  • Fluorescence under Longwave (365nm LED) UV light: Yellow

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