Wavellite - Ballybunnion, Co. Kerry, Munster, Ireland

Contributed by: FMS Admin
minID: UF8-V6M
Date: Feb 22nd, 2026
Locality: Ballybunnion, Kerry County, Munster, Ireland (See on Mindat)
Size: 50 x 30 x 60 mm

Description:
Radiating sprays of light blue wavellite crystals in dark brown shale. In LW the wavellite fluoresces bright aqua blue. Circular patterns within the crystals are visible only in the fluorescent pictures. Shown from two angles. This material comes from oceanside cliffs and is considered dangerous to collect.

Originally posted by Dennis Michael on Nature's Rainbows.

Fluorescence under longwave UV light.

Normal light.

Fluorescence under longwave UV light.

Normal light.

Summary of luminescence responses:

Wavellite (Mindat) (RRUFF)

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