SC386 - Calcite

Locality: Monte Zenone Mine, Casarza Ligure, Genoa, Liguria, Italy (MINDAT)
Size: 7 x 7 x 5 cm - Cabinet (6-10 cm)
Weight: 250 g
minID: F8K-CC0

Plate of scalenohedral calcite crystals. Fluorescent orange/red under shortwave UV light.

Fluorescence under shortwave UV light (254nm Hg light).

Fluorescence spectrum under 275nm UVC LED. The fluorescence in the UVA/UVB should be due to Pb²⁺ and Ce³⁺, while the red/orange fluorescence should be due to Mn²⁺.

Last update: 08 June 2021