Fluorescent Mineral Database

Microcline from Teller Co., Colorado

Contributed by: FMS Admin
Date: Nov 14th, 2025
Locality: Teller County, Colorado, USA (See on Mindat)

Description:
Microline fluorescent red under shortwave UV light.
Originally posted by groensteenfreterke on Nature’s Rainbow.

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

Summary of luminescence responses:

Microcline (Mindat) (RRUFF)

  • Fluorescence under 275nm LED UV light: Red