Fluorescent Calcite, with Quartz Crystals - Estrie, Quebec, Canada
Contributed by: FMS Admin
Date: May 16th, 2026
Locality: Estrie, Québec, Canada (See on Mindat)
Size: 6.3 x 4.5 x 8.3 cm
Description:
Nice small cabinet-sized specimen, consisting of calcite crystals, over milky quartz crystals. As is often the case with typical red fluorescing calcites, this specimen is at its best under midwave UV.
Originally posted by Frédéric Messier Leroux on Nature's Rainbows in 2021.
Summary of luminescence responses:
Calcite (Mindat) (RRUFF)
- Fluorescence under Midwave (305nm LED) UV light: Red

