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!

Grossular Garnet from Sierra de Cruces, Coahuila, Mexico

Contributed by: Simone Conti
minID: L70-47Q
Date: Dec 02nd, 2024
Locality: Sierra de Cruces, Sierra Mojada Municipality, Coahuila, Mexico (See on Mindat)
Size: 2 x 2 x 2.5 x cm
Weight: 14.4 g

Description:
Raspberry garnet var grossular, also called Rosolite. The main crystal is about 10mm in size. Nice orange/red fluorescence under longwave UV light, best under 405nm blue laser (but you need a filter to block the blue light).

Fluorescence under 405nm blue laser (with yellow filter).
Fluorescence under 405nm blue laser (with yellow filter).
Normal light.
Normal light.

Summary of luminescence responses:

Grossular

  • Fluorescence under 405nm blue laser: Orange