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!

Nosean on Sanidine and Orthoclase from In den Dellen quarries, Mendig, Germany

Contributed by: Simone Conti
minID: 34N-6JT
Date: Dec 01st, 2024
Locality: In den Dellen quarries, Mendig, Mendig, Mayen-Koblenz, Rhineland-Palatinate, Germany (See on Mindat)
Size: 5 x 4 x 6 cm
Weight: 74 g

Description:
Druzy nosean (fluorescent orange under longwave UV light) on a matrix composed of sanidine (white opaque, fluorescent dark red under shortwave UV light) and orthoclase (white translucent, fluorescent bluish white under longwave UV light).

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

Summary of luminescence responses:

Nosean

  • Fluorescence under Longwave (365nm Lamp/Mercury) UV light: Orange
Orthoclase
  • Fluorescence under Longwave (365nm Lamp/Mercury) UV light: Blue
Sanidine
  • Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Red