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.
Summary of luminescence responses:
Microcline (Mindat) (RRUFF)
- Fluorescence under 275nm LED UV light: Red

