Calcite and caliche

Contributed by: Axel Emmermann
Date: Jan 24th, 2025
Locality: Brunita open pit (Brunita Quarry), La Unión, Murcia, Spain (See on Mindat)

Description:
A nice sandwich of calcite between layers of caliche. Seen under LW_UV.

Fluorescence under longwave UV light.

Normal light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

• Fluorescence under Longwave (365nm LED) UV light: Red

• Fluorescence under Longwave (365nm LED) UV light: White