Aragonite from Sant’Agostino di Coli, Emilia-Romagna, Italy

Contributed by: Simone Conti
minID: 28Y-J88
Date: Dec 2nd, 2024
Locality: Sant\'Agostino, Coli, Piacenza Province, Emilia-Romagna, Italy (See on Mindat)
Size: 6 x 4 x 6 cm
Weight: 81.6 g

Description:
Acicular aragonite crystals. Bluish/white fluorescence under UV light with green phosphorescence/afterglow.

Normal light.

Fluorescence under longwave UV light.

Afterglow after exposure to longwave UV light.

Summary of luminescence responses:

Aragonite (Mindat) (RRUFF)

• Fluorescence under Longwave (365nm LED) UV light: White
• Fluorescence under Shortwave (255nm LED) UV light: White
• Afterglow after exposure to Longwave (365nm LED) UV light: Green