Calcite from Hawaii

Contributed by: Axel Emmermann
Date: Jan 20th, 2025
Locality: Oahu Island, Honolulu County, Hawaii, USA (See on Mindat)

Description:
Fluorescent calcite specimen from Hawaii. Organic matter causes the fluorescence.

Normal light.

Fluorescence under longwave UV light.

Summary of luminescence responses:

Calcite (Mindat) (RRUFF)

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