Glauberite from the Salton Sea, California, USA

Contributed by: Simone Conti
minID: FWR-CCK
Date: Dec 4th, 2024
Locality: Salton Sea, Imperial County, California, USA (See on Mindat)
Size: 3 x 3 x 4.5 cm
Weight: 24.91 g

Description:
Glauberite crystal, fluorescent light blue under shortwave UV light, pink under longwave UV.

Normal light.

Fluorescence under shortwave UV light.

Fluorescence under longwave UV light.

Specimen label.

Summary of luminescence responses:

Glauberite (Mindat) (RRUFF)

• Fluorescence under Longwave (365nm LED) UV light: Pink
• Fluorescence under Shortwave (255nm LED) UV light: Blue